Public domain
Untitled photo, possibly related to: Postgraduate students studying physiology of the muscle. The experiment is with frogs' muscle tissue. Left to right: 1) J.S. Newcomer, graduate of University of Utah and majoring in organic chemistry. 2) A.E. Bell, graduate of University of Kentucky, genetics maj
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineUntitled photo, possibly related to: Postgraduate students studying physiology of the muscle. The experiment is with frogs' muscle tissue. Left to right: 1) J.S. Newcomer, graduate of University of Ut. 1942-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.