首都大学東京
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.