Hamburger Oklahoma in 1891, calling Tulsa, "The Real Birthplace of the Hamburger." Frank and Charles Menches claim to have sold a ground beef sandwich at the Erie County Fair in 1885 in Hamburg, New York. During the fair, they ran out of pork sausage for their sandwiches and substituted beef. Kunzog, who spoke to Frank Menches, says they exhausted their supply of sausage, so purchased chopped up beef from a butcher, Andrew Klein. Historian Joseph Streamer wrote that the meat was from Stein's market not Klein's, despite Stein's having sold the market in 1874. The story notes that the name of
Rudolf Hamburger recorded is restricted to his address and one or two basic personal details. This may have reflected the sensitive nature of some of the relevant sources. Ministry for State Security files on Hamburger refer to information held by the Party Central Committee or "elsewhere", without spelling out more detail, beyond the high level statement that he was "active in the anti-fascist movement" and had been accepted for membership by the Party Central Committee. Rudolf Hamburger was accepted as a full party member in March 1958. Rudolf Hamburger made his home in Dresden. Important projects he directed while employed by the