Walter Gerlach, German physicist and academic (born 1889)

Walther Gerlach

German physicist (1889–1979)

Walther Gerlach was a German physicist who co-discovered, through laboratory experiment, spin quantization in a magnetic field, the Stern–Gerlach effect. The experiment was conceived by Otto Stern in 1921 and successfully conducted first by Gerlach in early 1922. He was Nazi…