. . . "1880Z"^^ . . "Koch, Waldemar"@en . . "Waldemar Koch (25 September 1880 \u2013 15 May 1963) was a German liberal politician and economist.He was born in Bad Harzburg, Duchy of Brunswick. Koch studied Economics, Philosophy and History at Berlin He received a doctorate in 1907 for a dissertation entitled \"Consolidation in the German Electrical Indudstry\" (\"Konzentration in der dt. Elektroindustrie\")."@en . . . "1963-05-15Z"^^ . "Waldemar Koch"@en . "German politician" . . . "1880-09-25Z"^^ . "1963Z"^^ . . .