Portal:Nuclear technology/Biographies
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A graduate of the University of Göttingen, Goeppert Mayer wrote her doctoral thesis on the theory of possible two-photon absorption by atoms. At the time, the chances of experimentally verifying her thesis seemed remote, but the development of the laser in the 1960s later permitted this. Today, the unit for the two-photon absorption cross section is named the Goeppert Mayer (GM) unit.
Maria Goeppert married chemist
After the war, Goeppert Mayer became a voluntary associate professor of physics at the University of Chicago (where her husband and Teller worked) and a senior physicist at the university-run Argonne National Laboratory. She developed a mathematical model for the structure of nuclear shells, for which she was awarded the Nobel Prize in Physics in 1963, which she shared with J. Hans D. Jensen and Eugene Wigner. In 1960, she was appointed full professor of physics at the University of California, San Diego. (Full article...)
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Born in
During World War II, Kistiakowsky was the head of the
.From 1962 to 1965, Kistiakowsky chaired the National Academy of Sciences's Committee on Science, Engineering, and Public Policy (COSEPUP), and was its vice president from 1965 to 1973. He severed his connections with the government in protest against the war in Vietnam, and became active in an antiwar organization, the Council for a Livable World, becoming its chairman in 1977. (Full article...)
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Together with
Szilard initially attended
After
He publicly sounded the alarm against the possible development of salted thermonuclear bombs, a new kind of nuclear weapon that might annihilate mankind. Diagnosed with bladder cancer in 1960, he underwent a cobalt-60 treatment that he had designed. He helped found the Salk Institute for Biological Studies, where he became a resident fellow. Szilard founded Council for a Livable World in 1962 to deliver "the sweet voice of reason" about nuclear weapons to Congress, the White House, and the American public. He died in his sleep of a heart attack in 1964. (Full article...)
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A 1931 chemistry graduate of the
After the war, Libby accepted a professorship at the
Libby resigned from the AEC in 1959 to become professor of chemistry at University of California, Los Angeles (UCLA), a position he held until his retirement in 1976. In 1962, he became the director of the University of California statewide Institute of Geophysics and Planetary Physics (IGPP). He started the first Environmental Engineering program at UCLA in 1972, and as a member of the California Air Resources Board, he worked to develop and improve California's air pollution standards. (Full article...)
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A graduate of
McMillan co-invented the synchrotron with Vladimir Veksler, and after the war he returned to the Berkeley Radiation Laboratory to build them. He was appointed associate director of the Radiation Laboratory in 1954 and promoted to deputy director in 1958. He became director upon the death of lab founder Ernest Lawrence later that year, and remained director until his retirement in 1973. (Full article...)
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Born and raised in
Oliphant left the Cavendish Laboratory in 1937 to become the
After the war, Oliphant returned to Australia as the first director of the
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Born into a traditional
In 1929, Rabi returned to the United States, where Columbia offered him a faculty position. In collaboration with
During World War II he worked on
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In 1942, Slotin was invited to participate in the Manhattan Project, and subsequently performed experiments with
Slotin was hailed as a hero by the United States government for reacting quickly enough to prevent the deaths of his colleagues. However, some physicists argue that Slotin's behavior preceding the accident was reckless and that his death was preventable. The accident and its aftermath have been dramatized in several fictional and non-fiction accounts. (Full article...)
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During
Von Neumann's contributions and intellectual ability drew praise from colleagues in physics, mathematics, and beyond. Accolades he received range from the Medal of Freedom to a crater on the Moon named in his honor. (Full article...)
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Seaborg spent most of his career as an educator and research scientist at the
Seaborg was the principal or co-discoverer of ten elements:
After sharing the 1951 Nobel Prize in Chemistry with
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She was born in
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Born in New York City, Oppenheimer earned a
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During World War II, he was head of the Theoretical Division at the secret
After the war, Bethe also played an important role in the development of the
His scientific research never ceased and he was publishing papers well into his nineties, making him one of the few scientists to have published at least one major paper in his field during every decade of his career, which in Bethe's case spanned nearly seventy years. Freeman Dyson, once his doctoral student, called him the "supreme problem-solver of the 20th century". (Full article...)
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A graduate of the
Wigner participated in a meeting with
In the postwar period, he served on a number of government bodies, including the
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A graduate of the
After the war, Wilson briefly joined the faculty of
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At age 23, she was the youngest and only female member of the team which built and experimented with the world's first nuclear reactor (then called a pile), Chicago Pile-1, in a project led by her mentor Enrico Fermi. In particular, Woods was instrumental in the construction and then utilization of geiger counters for analysis during experimentation. She was the only woman present when the reactor went critical. She worked with Fermi on the Manhattan Project, and she subsequently helped evaluate the cross section of xenon, which had poisoned the first Hanford production reactor when it began operation.
After the war, she became a fellow at Fermi's
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Bush joined the Department of Electrical Engineering at
During his career, Bush patented a string of his own inventions. He is known particularly for his engineering work on
Bush was appointed to the National Advisory Committee for Aeronautics (NACA) in 1938, and soon became its chairman. As chairman of the National Defense Research Committee (NDRC), and later director of OSRD, Bush coordinated the activities of some six thousand leading American scientists in the application of science to warfare. Bush was a well-known policymaker and public intellectual during World War II, when he was in effect the first presidential science advisor. As head of NDRC and OSRD, he initiated the Manhattan Project, and ensured that it received top priority from the highest levels of government. In Science, The Endless Frontier, his 1945 report to the president of the United States, Bush called for an expansion of government support for science, and he pressed for the creation of the National Science Foundation. (Full article...)
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In 1919, Compton was awarded one of the first two
During World War II, Compton was a key figure in the Manhattan Project that developed the first nuclear weapons. His reports were important in launching the project. In 1942, he became head of the Metallurgical Laboratory, with responsibility for producing nuclear reactors to convert uranium into plutonium, finding ways to separate the plutonium from the uranium and to design an atomic bomb. Compton oversaw Enrico Fermi's creation of Chicago Pile-1, the first nuclear reactor, which went critical on December 2, 1942. The Metallurgical Laboratory was also responsible for the design and operation of the X-10 Graphite Reactor at Oak Ridge, Tennessee. Plutonium began being produced in the Hanford Site reactors in 1945.
After the war, Compton became chancellor of Washington University in St. Louis. During his tenure, the university formally desegregated its undergraduate divisions, named its first female full professor, and enrolled a record number of students after wartime veterans returned to the United States. (Full article...)
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During
In 1933, Conant became the President of Harvard University with a reformist agenda that involved dispensing with a number of customs, including class rankings and the requirement for Latin classes. He abolished
Conant was appointed to the
In his later years at Harvard, Conant taught undergraduate courses on the history and philosophy of science, and wrote books explaining the scientific method to laymen. In 1953, he retired as President of Harvard University and became the United States High Commissioner for Germany, overseeing the restoration of German sovereignty after World War II, and then was Ambassador to West Germany until 1957.
On returning to the United States, Conant criticized the education system in
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A graduate of the University of California, from which she obtained a degree in political science, Priscilla Greene started working for Lawrence in February 1942, and then for Oppenheimer later that year. She arrived in Santa Fe, New Mexico, in March 1943, and established the Los Alamos Laboratory's office. She became the office manager at Los Alamos, greeting visitors, answering the telephone, making travel arrangements, arranging security passes and accommodation, and taking notes of telephone calls. In September 1943, she married Robert B. Duffield, a chemist working at the Los Alamos laboratory, and changed her surname from Greene to Duffield.
In the post-war years, Duffield was secretary and executive assistant to Roger Revelle, the director of the Scripps Institution of Oceanography. In November 1967, she became secretary and executive assistant to Robert R. Wilson, the founding director of the National Accelerator Laboratory, and once again she helped establish a new scientific laboratory on a new site. In later life she moved to Colorado, where she served on the board of the Uncompahgre Medical Clinic. (Full article...)
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Farrell graduated from
During
In 1946 he was appointed chairman of the
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The son of a
In September 1942, Groves took charge of the Manhattan Project. He was involved in most aspects of the atomic bomb's development: he participated in the selection of sites for research and production at
After the war, Groves remained in charge of the Manhattan Project until responsibility for nuclear weapons production was handed over to the
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A graduate of the
In April 1945, Groves sent Lansdale to Europe, where he worked with the
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A graduate of the
Lawrence went on to build a series of ever larger and more expensive cyclotrons. His Radiation Laboratory became an official department of the University of California in 1936, with Lawrence as its director. In addition to the use of the cyclotron for physics, Lawrence also supported its use in research into medical uses of radioisotopes. During
After the war, Lawrence campaigned extensively for government sponsorship of large scientific programs, and was a forceful advocate of "
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A member of the June 1918 class of the
In June 1942, Marshall was placed in charge of the Manhattan Project, then known as the Laboratory Development of Substitute Materials. Although superseded as head of the project by Brigadier General
Marshall left the Army in 1947, and moved to
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A graduate of the University of Wisconsin–Madison, Matthias joined the Tennessee Valley Authority (TVA) as a Junior Hydraulic Engineer in 1935 and worked on hydroelectric projects. In April 1941, he was called to active duty by the United States Army and joined the Construction Division of the Army Corps of Engineers. He was area engineer at the Manhattan Project's Hanford site from 1942 to 1945. As such, he supervised the enormous construction effort, which included three chemical separation plants so large that they were known as "Queen Marys", and the world's first three production-scale nuclear reactors.
After the war, Matthais went to Brazil, where he helped build a hydroelectric facility. He joined the
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Nichols remained with the Manhattan Project after the war until it was taken over by the Atomic Energy Commission in 1947. He was the military liaison officer with the Atomic Energy Commission from 1946 to 1947. After briefly teaching at the United States Military Academy at West Point, he was promoted to major general and became chief of the Armed Forces Special Weapons Project, responsible for the military aspects of atomic weapons, including logistics, handling and training. He was deputy director for the Atomic Energy Matters, Plans and Operations Division of the Army's general staff, and was the senior Army member of the military liaison committee that worked with the Atomic Energy Commission.
In 1950, General Nichols became deputy director of the Guided Missiles Division of the
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A 1922 graduate of the United States Naval Academy, Parsons served on a variety of warships beginning with the battleship USS Idaho. He was trained in ordnance and studied ballistics under L. T. E. Thompson at the Naval Proving Ground in Dahlgren, Virginia. In July 1933, Parsons became liaison officer between the Bureau of Ordnance and the Naval Research Laboratory. He became interested in radar and was one of the first to recognize its potential to locate ships and aircraft, and perhaps even track shells in flight. In September 1940, Parsons and Merle Tuve of the National Defense Research Committee began work on the development of the proximity fuze, an invention that was provided to the US by the UK Tizard Mission, a radar-triggered fuze that would explode a shell in the proximity of the target. The fuze, eventually known as the VT (variable time) fuze, Mark 32, went into production in 1942. Parsons was on hand to watch the cruiser USS Helena shoot down the first enemy aircraft with a VT fuze in the Solomon Islands in January 1943.
In June 1943, Parsons joined the Manhattan Project as Associate Director at the
After the war, Parsons was promoted to the rank of rear admiral without ever having commanded a ship. He participated in Operation Crossroads, the nuclear weapon tests at Bikini Atoll in 1946, and later the Operation Sandstone tests at Enewetak Atoll in 1948. In 1947, he became deputy commander of the Armed Forces Special Weapons Project. He died of a heart attack in 1953. (Full article...)
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At 21, Wheeler earned his doctorate at
For most of his career, Wheeler was a professor of physics at Princeton University, which he joined in 1938, remaining until 1976. At Princeton he supervised 46 PhD students, more than any other physics professor.
Wheeler left Princeton at the age of 65. He was appointed director of the Center for Theoretical Physics at the
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A graduate of the
Spedding developed an
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Portal:Nuclear technology/Biographies/33 Charles Allen Thomas (February 15, 1900 – March 29, 1982) was a noted American chemist and businessman, and an important figure in the Manhattan Project. He held over 100 patents.
A graduate of
From 1943 to 1945, he coordinated Manhattan Project work on plutonium purification and production. He also coordinated development of techniques to industrially refine polonium for use with beryllium in the triggers of atomic weapons in the Manhattan Project's Dayton Project, part of which was conducted on the estate of his wife's family. Shortly before the war ended, he took over the management of the Clinton Laboratories in Oak Ridge, Tennessee. Monsanto pulled out of Oak Ridge in December 1947, but became the operator of the Mound Laboratories in 1948. Secretary of State Dean Acheson appointed Thomas to serve on a 1946 panel to appraise international atomic inspection, which culminated in the Acheson–Lilienthal Report. In 1953 he was appointed as a consultant to the National Security Council, and served as U.S. Representative to the United Nations Atomic Energy Commission. (Full article...)
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Born in
Teller made contributions to
Teller continued to find support from the U.S. government and military research establishment, particularly for his advocacy for
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Born into a wealthy
In October 1943, he received an invitation from
Ulam considered the problem of
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Born in
During World War II, Urey turned his knowledge of isotope separation to the problem of
Urey speculated that the early terrestrial
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Warren was commissioned as a colonel in the
In 1947 Warren became the first dean of the
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As one of the few people permitted to have a camera in the Oak Ridge area during the Manhattan Project, he created the main visual record of the construction and operation of the Oak Ridge production facilities and of civilian life in the enclosed community of Oak Ridge. (Full article...)
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A 1928 graduate of the United States Military Academy at West Point, Wilson was commissioned into the United States Army as a second lieutenant in the field artillery but underwent flying training and, on receiving his pilot's wings, transferred to the United States Army Air Corps in 1929. He attended the Air Corps Engineering School at Wright-Patterson Field, Ohio and was assigned to the Aircraft Design Section of the Aircraft Laboratory there, where he worked on the development of the XB-15, B-17 and XB-19.
During
From October 1951 to May 1954 Wilson was Commandant of the
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After receiving his
In 1940, Alvarez joined the
After the war Alvarez was involved in the design of a liquid hydrogen bubble chamber that allowed his team to take millions of photographs of particle interactions, develop complex computer systems to measure and analyze these interactions, and discover entire families of new particles and resonance states. This work resulted in his being awarded the Nobel Prize in 1968. He was involved in a project to x-ray the Egyptian pyramids to search for unknown chambers. With his son, geologist Walter Alvarez, he developed the Alvarez hypothesis which proposes that the extinction event that wiped out the non-avian dinosaurs was the result of an asteroid impact. (Full article...)
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In December 1940, Bacher joined the
After the war, Bacher became director of the Laboratory of Nuclear Studies at Cornell. He also served on the
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Starting from Rainwater's concept of an irregular-shaped liquid drop model of the nucleus, Bohr and Mottelson developed a detailed theory that was in close agreement with experiments.
Since his father, Niels Bohr, had won the prize in 1922, he and his father are one of the six pairs of fathers and sons who have both won the Nobel Prize and one of the four pairs who have both won the Nobel Prize in Physics. (Full article...)
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Bohr developed the Bohr model of the atom, in which he proposed that energy levels of electrons are discrete and that the electrons revolve in stable orbits around the atomic nucleus but can jump from one energy level (or orbit) to another. Although the Bohr model has been supplanted by other models, its underlying principles remain valid. He conceived the principle of complementarity: that items could be separately analysed in terms of contradictory properties, like behaving as a wave or a stream of particles. The notion of complementarity dominated Bohr's thinking in both science and philosophy.
Bohr founded the Institute of Theoretical Physics at the University of Copenhagen, now known as the Niels Bohr Institute, which opened in 1920. Bohr mentored and collaborated with physicists including Hans Kramers, Oskar Klein, George de Hevesy, and Werner Heisenberg. He predicted the properties of a new zirconium-like element, which was named hafnium, after the Latin name for Copenhagen, where it was discovered. Later, the synthetic element bohrium was named after him.
During the 1930s, Bohr helped refugees from
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Bradbury took charge at Los Alamos at a difficult time. Staff were leaving in droves, living conditions were poor and there was a possibility that the laboratory would close. He managed to persuade enough staff to stay and got the University of California to renew the contract to manage the laboratory. He pushed continued development of nuclear weapons, transforming them from laboratory devices to production models. Numerous improvements made them safer, more reliable and easier to store and handle, and made more efficient use of scarce fissionable materiel.
In the 1950s Bradbury oversaw the development of
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Chadwick graduated from the
After the war, Chadwick followed Rutherford to the Cavendish Laboratory at the University of Cambridge, where Chadwick earned his Doctor of Philosophy degree under Rutherford's supervision from Gonville and Caius College, Cambridge, in June 1921. He was Rutherford's assistant director of research at the Cavendish Laboratory for over a decade at a time when it was one of the world's foremost centres for the study of physics, attracting students like John Cockcroft, Norman Feather, and Mark Oliphant. Chadwick followed his discovery of the neutron by measuring its mass. He anticipated that neutrons would become a major weapon in the fight against cancer. Chadwick left the Cavendish Laboratory in 1935 to become a professor of physics at the University of Liverpool, where he overhauled an antiquated laboratory and, by installing a cyclotron, made it an important centre for the study of nuclear physics.
During the Second World War, Chadwick carried out research as part of the
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After service on the
During the
After the war Cockcroft became the director of the
From 1959 to 1967, he was the first Master of Churchill College, Cambridge. He was also chancellor of the Australian National University in Canberra from 1961 to 1965. (Full article...)
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Daghlian was irradiated as a result of a criticality accident that occurred when he accidentally dropped a tungsten carbide brick onto a 6.2 kg bomb core made of plutonium–gallium alloy. This core, subsequently nicknamed the "demon core", was later involved in the death of another physicist, Louis Slotin. (Full article...)
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Fermi's first major contribution involved the field of statistical mechanics. After
Fermi left Italy in 1938 to escape new
After the war, he helped establish the
Fermi did important work in particle physics, especially related to
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Feynman developed a widely used pictorial representation scheme for the mathematical expressions describing the behavior of subatomic particles, which later became known as Feynman diagrams. During his lifetime, Feynman became one of the best-known scientists in the world. In a 1999 poll of 130 leading physicists worldwide by the British journal Physics World, he was ranked the seventh-greatest physicist of all time.
He assisted in the development of the atomic bomb during World War II and became known to the wider public in the 1980s as a member of the Rogers Commission, the panel that investigated the Space Shuttle Challenger disaster. Along with his work in theoretical physics, Feynman has been credited with pioneering the field of quantum computing and introducing the concept of nanotechnology. He held the Richard C. Tolman professorship in theoretical physics at the California Institute of Technology.
Feynman was a keen popularizer of physics through both books and lectures, including a 1959 talk on top-down nanotechnology called There's Plenty of Room at the Bottom and the three-volume publication of his undergraduate lectures, The Feynman Lectures on Physics. Feynman also became known through his autobiographical books Surely You're Joking, Mr. Feynman! and What Do You Care What Other People Think?, and books written about him such as Tuva or Bust! by Ralph Leighton and the biography Genius: The Life and Science of Richard Feynman by James Gleick. (Full article...)
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Born on a cattle ranch near
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Franck became the Head of the Physics Division of the
After the
Franck participated in the
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The son of a
After the Second World War broke out in Europe, he was interned in the
In January 1950, Fuchs confessed that he had passed information to the Soviets over a seven-year period beginning in 1942. A British court
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Notes
- Polish name, the surnameis Skłodowska.