History of the hamburger in the United States is found in Japan, but is a local variation. 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
Rudolf Hamburger Stalin's purges against enemies of the regime were at their height. More than a thousand German political refugees from Nazism were among the many Muscovites identified as Trotskyites and spies: in many cases they were summarily tried and shot. Ursula Hamburger was well aware of what was going on, but she herself never fell victim to Stalin's paranoia. Rudolf Hamburger subsequently wrote that his contribution to Soviet intelligence during the time in Poland was in effect restricted to the help he was able to give his wife. He involved himself in the installation of radio antennae and getting hold of