Hecht , Selig , 1892-1947 , bio-physicist

Selig Hecht, American biophysicist, was born in Glogow, Austria (now Poland) in 1892. He moved to the United States in 1898 and graduated from the College of the City of New York (BS, 1913) and from Harvard (PhD, 1917). After organising the laboratory of biophysics at Columbia University, he was Professor of Biophysics there from 1926. He pioneered the application of physiochemical principles to sensory physiology and is known for his determination of minimal quantal requirements at the threshold of vision and for his successful laboratory regeneration of visual purple. An advocate of popular scientific education, he wrote Explaining the Atom, 1947 and died in the same year.