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David Keilin (1887-1963), Biologist

Sitter in 1 portrait
Moscow-born biologist. Professor of Biology and Director, Molteno Institute (1931-52), published numerous papers on the reproduction of lice, the horse bot-fly and other subjects. Detected pigment in the bot-fly which he named cytochrome, an important development in biochemistry.

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David Keilin

by Hubert Andrew Freeth
ink and wash, 1952
NPG 4811