Wolfgang Schad (1935-2022) was Professor at the University of Witten/Herdecke in Germany. Born in southern Germany, he studied biology, chemistry, and education before becoming a science teacher in 1962 at the Goetheschule (Waldorf school) in Pforzheim. From 1975 until 1991, he taught at the Seminar for Waldorf Education in Stuttgart and, in 1992, was appointed head of the Department of Evolutionary Biology and Morphology at the University of Witten/Herdecke, a position he held until retiring in 2005.