MGM Mogul Marcus Loew was a German-born American business magnate who founded the Metro-Goldwyn-Mayer (MGM) film studio in 1924. He was also the founder of the Loews Theatres chain, which operated many movie theaters across the United States. Loew was a pioneer in the motion picture industry and is credited with helping to shape the modern Hollywood studio system. He was known for his innovative business practices and his commitment to quality filmmaking.