Otto Hermann Kahn Otto Hermann Kahn Otto Hermann Kahn (February 21, 1867 – March 29, 1934) was a German-born American investment banker, collector, philanthropist, and patron of the arts. Otto was born on February 21, 1867 in Mannheim, Germany, and raised there, by his Jewish parents, Emma (née Eberstadt) and Bernard Kahn. His father had been among the refugees to the United States after the revolution of 1848 and had become an American citizen, but later returned to Germany. Kahn was educated in a gymnasium in Mannheim. Kahn's ambition was to be a musician, and he learned to play several instruments before he
David Kahn (writer) Mr. Kahn or his prospective publishers". Kahn's publisher, the Macmillan company, handed over the manuscript to the federal government for review without Kahn's permission on March 4, 1966. Kahn and Macmillan eventually agreed to remove some material from the manuscript, particularly concerning the relationship between the NSA and its British counterpart, the GCHQ, in part because Kahn felt pressure from the surveillance placed on him by the intelligence community. "The Codebreakers" did not cover most of the history concerning the breaking of the German Enigma machine (which became public knowledge only in the 1970s). Nor did it cover the advent