Alfred Lion was a German-American music producer and co-founder of the influential jazz record label Blue Note Records. Born in 1908 in Berlin, he moved to the United States in 1939, where he began his career in the music industry. Lion played a crucial role in promoting and recording many prominent jazz musicians, helping to shape the genre's development. Under Lion's leadership, Blue Note became known for its high-quality recordings and distinctive album covers. He worked with legendary artists such as Thelonious Monk, Miles Davis, and John Coltrane, contributing significantly to the popularity of jazz music in the mid-20th century.