Gabriel Gustav Valentin, also Gabriel Valentin, was a German physiologist and professor of physiology at the University of Bern.
Gabriel Gustav Valentin was born at Breslau in July 1810. He was Jewish, the son of a Jewish goldsmith. Wikipedia
Born: July 8, 1810, Wrocław, Poland
Died: May 24, 1883 (age 72 years), Bern, Switzerland