Portrait Of Martin Gumpert [Getty Images]

Portrait of German American physician and author Martin Gumpert (1897 - 1955), 1945. (Photo by Fred Stein Archive/Archive Photos/Getty Images) — see more

Portrait of German American physician and author Martin Gumpert (1897 - 1955), 1945. (Photo by Fred Stein Archive/Archive Photos/Getty Images)

Archive Photos Fred Stein Archive