Jean Clark Dan dating history

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Jean Clark Dan née Clark (May 20, 1910 – November 13, 1978) was an American embryologist who pioneered research into the acrosomal reaction. Born in 1910 to a family of staunch Presbyterians in Westfield, New Jersey, Jean Clark Dan graduated from Wilson College in Pennsylvania in 1932 where she studied biology. She pursued her graduate studies in invertebrate zoology at the University of Pennsylvania and spent her summers at the Marine Biological Laboratory in Woods Hole, Massachusetts. At the Marine Biological Laboratory she met her future husband and scientific collaborator Katsuma Dan, the son of a prominent Japanese statesman. They were engaged in 1934, the same year that Katsuma Dan received his PhD. Jean received her PhD in 1936 and she and Katsuma were married that same year. Jean and Katsuma then moved to Japan where they continued their research at the Misaki Marine Biological Station of Tokyo University.