Walter Fricke

Walter Ernst Fricke (1 April 1915 – 21 March 1988) was a German distinguished professor of theoretical astronomy at the University of Heidelberg. He was a cryptanalyst, before and during the time of World War II in the OKW/Chi, the Cipher Department of the High Command of the Wehrmacht. After the war he was director of the Astronomical Calculation Institute (German: Astronomisches Rechen-Institut) in Heidelberg, Germany.

Walter Fricke

Walter Ernst Fricke (1 April 1915 – 21 March 1988) was a German distinguished professor of theoretical astronomy at the University of Heidelberg. He was a cryptanalyst, before and during the time of World War II in the OKW/Chi, the Cipher Department of the High Command of the Wehrmacht. After the war he was director of the Astronomical Calculation Institute (German: Astronomisches Rechen-Institut) in Heidelberg, Germany.