History of the hamburger in the United States History of the hamburger in the United States A hamburger (or burger) is a sandwich that consists of a cooked ground meat patty, usually beef, placed between halves of a sliced bun or between slices of bread or toast. Hamburgers are often served with various condiments, such as mustard, mayonnaise, and ketchup, and other options including lettuce, tomato, onion, pickles, and cheese. The Texas historian Frank X. Tolbert attributes the invention of the hamburger to Fletcher Davis of Athens, Texas. Davis is believed to have sold hamburgers at his café at 115 Tyler Street in Athens, Texas, in the late
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