. "Wilhelm Rudolf Mann"@en . "1894Z"^^ . . . . . "1992-03-10Z"^^ . . . . "1894-04-04Z"^^ . "1992Z"^^ . "Mann, Wilhelm Rudolf"@en . . . . "Wilhelm Rudolf Mann (born 4 April 1894 in Wiesbaden - died 10 March 1992 in Grainau) was a German factory manager for IG Farben and later with Bayer."@en . "German businessman" . . . "Sturmf\u00FChrer"@en . . "Wilhelm Rudolf Mann"@en . .