Katsuma Dan

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Katsuma Dan
團 勝磨
Born(1904-10-16)October 16, 1904
Takuma Dan (father), Inou Dan (brother), Ikuma Dan
(nephew)

Katsuma Dan (團 勝磨, Dan Katsuma, October 16, 1904 – May 18, 1996) was a

MIT
and later, as president of the Japan Steel Works, he initiated and maintained close research ties with The Institute.

After receiving his undergraduate degree in Japan, Katsuma Dan also came to the

L.V. Heilbrunn at the University of Pennsylvania. In addition Dan worked and studied at the Marine Biological Laboratory
at Woods Hole (MBL) from 1931 to 1934, and later in 1936. It was here that he met his future wife (and longtime scientific collaborator) Jean M. Clark (1910–1978). Clark, who was also a student of Heilbrunn's, studied fertilization in marine invertebrates. The couple raised five children. They also maintained lasting ties to the MBL and returned often in later years as summer researchers and lecturers in embryology.

In March 1932, while Dan was studying at the MBL, his father was assassinated in Japan by ultra-nationalist radicals in the '

Time Magazine under the headline, “Appeal to the Goths”.[1]

Dan's scientific work focused on using marine

mitotic spindle and initiated the modern biochemical study of mitosis
.

Dan and his students also developed methods for measuring small, local movements of the cell surface during division. This enabled detailed, quantitative studies of the process of cell cleavage (

microtubules with the cell cortex determines the position of the cleavage furrow
.

Katsuma Dan was professor of zoology at the Tokyo Metropolitan University from 1949-1968. He also served as president of the university from 1964 until his retirement in 1972. Dan was president of both the Zoological Society of Japan and the Japanese Society of Developmental biologists. In 1976 he received the Second Order Imperial Medal, and in 1987 he received the Emperor's Award for Cultural Merit. A fellowship honoring Katsuma and Jean Clark Dan was established in 1979 for cultural exchange between the United States and Japan.

Katsuma Dan died in 1996 in Osaka, Japan, at the age of 91.[2]

References

  1. ^ Dan, Katsuma. "letter two". Marine Biological Laboratory | Woods Hole Oceanographic Institution. Retrieved 1 December 2016.
  2. ^ "Dr. Katsuma Dan, 91, of Japan; Was a Leading Marine Biologist". New York Times. May 27, 1996. Retrieved November 18, 2015.

Sources

  • Obituary, Falmouth Enterprise, May 24, 1996.
  • Schneider, M. (Personal Communication) MBL/WHOI Archives, Woods Hole MA.
  • Inoue, S. (1989) Achievements of Professor Katsuma Dan. MBL/WHOI Archives, Woods Hole MA.
  • Ewick, D. 2003. Untitled note. Japanisme, Orientalism, Modernism: An archive of Japan in English-language verse.

External links

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