Hans, son of Fritz and Elsa Hopf Dopfer. Born 02 Mar 1909, Ulm, Germany; Died 20 Aug 2002, Berlin. He was the second husband of Brigitte Rieger Doenitz, great granddaughter of Rudolph and Bertha Heidke.
Photos of the 1900's which brought us from the industrial age to the technological age.
From 1900 through 1999 we witnessed the beginning of flight to a man on the moon and a Mars Rover. We went from using phones tethered by cords and computers that filled rooms, to carrying the equivale...