Nazi (Nazi Party) politician and head of German labour, who helped supervise the recruitment of slave labour during World War II.

The son of a small landowner, Ley studied at the universities of Jena and Bonn, received a Ph.D. in chemistry, and worked for IG Farbenindustrie, before he was discharged in 1928 for “political activity.” He was elected as Nazi member to the Prussian Diet in 1929 and to the Reichstag in 1932.

Ley was made head of the German workers' front after Hitler's accession to power. To weld German labour into a solid organization backing Hitler, Ley abolished the democratic trade unions and built up a powerful labour organization designed to facilitate German militarization and war preparations. He was also head of the Bund der Auslanddeutsche (Union of Germans Living Abroad).

During World War II, Ley supervised the mobilization of foreign as well as German labour for war work. Near the war's end he fled to the mountains near Berchtesgaden, where he was captured by U.S. troops on May 16, 1945. He attempted to take his life but failed and was arraigned as a war criminal. On October 25 he hanged himself with a towel in the lavatory in the Nürnberg prison, where he and 23 other Nazis were awaiting trial as war criminals.