Henry Anthony Sullivan (1895–1975) was a composer, songwriter, and pianist.^[1]

He attended the Worcester Academy and Dartmouth College.^[2]

In 1929, he wrote his first complete show, Almanac, which was later produced by John Murray Anderson as Murray Anderson's Almanac on Broadway in 1929. Some of the comedy sketches were written by Noël Coward.^[3] From the show, I May Be Wrong, but I Think You're Wonderful was composed, with Sullivan writing the music and Harry Ruskin writing the lyrics.^[2][4][5] The song would go on to become a popular song with multiple cover versions.^[6]

With John Murray Anderson, they would write five songs for the film The Greatest Show on Earth (1952), along with other copyrighted songs as well.^[7] With John Murray Anderson staging the show as well writing some of the lyrics, Sullivan wrote the music for the Broadway show Thumbs Up! (1934).^[8] Prior to that, Sullivan wrote the music for the British production of Bow Bells (1931) which was performed at the London Hippodrome.^[9]

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