Pat LaFrieda Meat Purveyors it created the customized hamburger patty for Keith McNally's Minetta Tavern. Pat LaFrieda Meat Purveyors Pat LaFrieda Meat Purveyors is a third generation meat wholesaler based in North Bergen, New Jersey that specializes in dry-aged steaks and artisanal burger patties but also supplies selected cuts of beef, pork, poultry, veal, lamb and buffalo. The company provides meat for the “Black Label Burger” at Minetta Tavern, as well as other signature custom blends at New York City restaurants such as Shake Shack, Spotted Pig, Union Square Café, Blue Smoke and Market Table. Pat LaFrieda Meat Purveyors began when Anthony LaFrieda (Pat
Viktor Hamburger Viktor Hamburger Viktor Hamburger (July 9, 1900 – June 12, 2001) was a German professor and embryologist. In 1951 he co-authored the Hamburger-Hamilton stages. Hamburger lectured, among others, Nobel Prize-winning neurologist Rita Levi-Montalcini, who identified nerve growth factor along with Hamburger when they collaborated. Hamburger began to work at Washington University in St. Louis in 1935; he retired from his professor position in 1969 and continued researching until the 1980s. Hamburger was born on in Landeshut, Silesia, Germany to Max Hamburger and Else Gradenwitz. In the 1960s, Hamburger did embryological work that established that chick movements in embryo were spontaneous