Co-founder of Metro-Goldwyn-Mayer Studios, an American media company.
Mayer became the first Hollywood executive in America to earn a million-dollar salary. He was also the most famous of the studio moguls during the Golden Age of Hollywood. His daughter Edith married William Goetz, another Jewish film mogul who became Vice President of 20th Century Fox.
Louis B. Mayer - Wikipedia
"Louis B. Mayer" - Jewish Virtual Library