History of the hamburger hand at home using specialized chisels, intensive manual labor that severely limited the amount that could be produced. It is very likely that the invention of the meat grinder contributed directly to the popularization of Hamburg steak, while the steak gradually became distant from its German roots in the minds of many Americans. Minced meat also came to be used in other popular American foods, including hot dogs and meatloaf. Another development facilitating the invention and popularization of the proto-hamburger was the increased production of beef through livestock intensification. By the late 19th century, an increasing amount of land was
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