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Engineers from Cologne

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Carl Bosch thumbnail
Carl Bosch
German chemical engineer (1874–1940)
Helmut Gröttrup
German engineer and inventor of the smart card (1916-1981)
Gustav Otto
German aerospace engineer (1883–1926)
Paul Haenlein
German aerospace engineer (1835-1905)
Prosper L'Orange
German engineer and inventor (1876–1939)
Engineers from Cologne — Category on Vinony · Vinony