Allan Flynn was an American composer, songwriter, and author, born on April 13, 1894, in New York City. He pursued his education at Fordham University and began his career at Biograph Studios in The Bronx. In 1935, Flynn moved to England, where he continued his work in the entertainment industry, contributing to revues and films. That same year, he joined the American Society of Composers, Authors, and Publishers (ASCAP).

Flynn's musical career was marked by collaborations with John Egan and Frank Madden. He composed several popular songs, including "Moonspun Dreams," "Rags," "Maybe," "Be Still, My Heart," "Somewhere Beyond the Sunset," and "They Called Him 'Johnny Appleseed'." His work was recognized and recorded by various artists and orchestras during the 1930s and 1940s.

Allan Flynn passed away on September 10, 1965, in his hometown of New York City. His contributions to music, particularly through his songwriting and compositions, left a lasting impact on the American music scene.