Arthur E. Kennelly
Arthur Edwin Kennelly | |
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Edward Longstreth Medal (1917) | |
Scientific career | |
Fields | Electrical engineering |
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Arthur Edwin Kennelly (December 17, 1861 – June 18, 1939) was an American
Biography
Kennelly was born December 17, 1861, in
Kennelly joined
Kennelly then formed a consulting firm in electrical engineering with
In 1911 and 1912, Kennelly advanced applied mathematics by communicating the theory of the hyperbolic angle and hyperbolic functions, first in a course at the University of London and then in a published book.
He was an active participant in professional organizations such as the Society for the Promotion of the Metric System of Weights and Measures, the Illuminating Engineering Society and the US National Committee of the International Electrotechnical Commission, and also served as the president of both the AIEE and the Institute of Radio Engineers, IRE, during 1898–1900 and 1916, respectively.[3] He was an Invited Speaker of the ICM in 1924 at Toronto.[4]
While Kennelly himself does not appear to have been a significant athlete, he applied his engineering expertise to his avocation: analyzing endurance sports records of horses and humans. He noticed that time vs. distance plots of such sports records formed nearly a straight line when plotted on log-log graph paper. Kennelly thus preceded by 75 years Peter Riegel, who also—apparently independently—noticed this same power law, called by Riegel the "endurance equation". Due to the relatively crude (by today's standards) data available, Kennelly's "Law of Fatigue" utilized the same exponent 9/8 = 1.125 for all of his datasets, whereas Riegel noticed that these exponents differed by sport and by individual.[5]
Kennelly died in
Awards and honors
Kennelly received awards from many nations, including the
Kennelly was elected to the American Philosophical Society in 1896, the American Academy of Arts and Sciences in 1905, and the United States National Academy of Sciences in 1921.[8][9][10]
Works
- See Edwin Houston for the works co-authored with him.
Books
- with Henry David Wilkinson: Practical notes for electrical students (London: "The Electrician" Prtg. & Pub. Co., 1890)
- Wireless telegraphy and wireless telephony an elementary treatise (New York: Moffat, Yard & Co., 1913)
- The application of hyperbolic functions to electrical engineering problems; being the subject of a course of lectures delivered before the University of London in May and June 1911 (London: University of London Press, 1912)
- Artificial Electric Lines: Their Theory, Mode of Construction and Uses (New York: McGraw-Hill, 1917)
- Vestiges of Pre-metric Weights and Measures Persisting in Metric-system Europe 1926-1927 (New York: The Macmillan Company. 1928)
- Electricity in Electro-Therapeutics (The W.J. Johnson Company 1896)
Patents
- U.S. patent 479,167 — "Electric meter"
- U.S. patent 500,236 — "Electrostatic voltmeter"
References
- ^ Mark Essig, Edison and the Electric Chair: A Story of Light and Death, Bloomsbury Publishing USA - 2009, pages 152-155
- ^ Moran, Richard. Executioner's Current. Thomas Edison, George Westinghouse and the Invention of the Electric Chair. Alfred A. Knopf, New York, 2002, p. 94.
- ^ "Arthur E. Kennelly". IEEE Global History Network. IEEE. Retrieved August 8, 2011.
- ^ Kennelly, Arthur E. (1928). "Hyperbolic-function series of integral numbers and the occasions for their occurrence in electrical engineering" (PDF). In: Proceedings of the International Mathematical Congress held in Toronto, August 11-16, 1924. Vol. 2. University of Toronto Press. pp. 441–460. Archived from the original (PDF) on December 1, 2017. Retrieved November 27, 2017.
- )
- ^ "A. E. Kennelly Dies; Ex-aide of Edison; Taught Electrical Engineering at Harvard, 1902–1930, and at M.I.T. From 1913–1924 Edison Gold Medal Award to Him in 1933—Co-Discoverer of 'Heaviside Layer' Early Aide to Edison Honored by Many Societies". The New York Times. June 19, 1939. p. 15. Retrieved January 14, 2011.
- ^ "Franklin Laureate Database – A. E. Kennelly". Franklin Institute. Retrieved November 21, 2011.[permanent dead link]
- ^ "APS Member History". search.amphilsoc.org. Retrieved March 7, 2024.
- ^ "Arthur Edwin Kennelly | American Academy of Arts and Sciences". www.amacad.org. February 9, 2023. Retrieved March 7, 2024.
- ^ "Arthur Kennelly". www.nasonline.org. Retrieved March 7, 2024.
External links
- Works by or about Arthur E. Kennelly at Internet Archive
- Katz, Eugenii,"Arthur Edwin Kennelly". Archived from the original on October 27, 2009. Retrieved November 10, 2010. . Biographies of Famous Electrochemists and Physicists Contributed to Understanding of Electricity, Biosensors & Bioelectronics.
- Photo of Arthur E. Kennelly
- A. E. Kennelly and the 1902 Vera Cruz-Frontera-Campeche Cable
- National Academy of Sciences Biographical Memoir