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
Mosa Meat Mosa Meat Mosa Meat is a Dutch food technology company, headquartered in Maastricht (the Netherlands) creating production methods for cultured meat. It was founded in October 2015, by Mark Post and Peter Verstrate. Post is a Professor of Vascular Physiology at Maastricht University and serves as Chief Scientific Officer of Mosa Meat. Verstrate is CEO at Mosa Meat and has a background in the processed meat industry, holding different positions at Sara Lee Corporation, Ahold, Smithfield Foods, Campofrío Food Group, Jack Links, and Hulshof Protein Technologies. Post and Verstrate have developed the world's first cultured meat hamburger in 2013, which