Peter Allen

Peter Allen (10 February 1944 – 18 June 1992) was an Australian songwriter and entertainer. His songs were made popular by many recording artists, including Elkie Brooks, Melissa Manchester and Olivia Newton-John, with one, "Arthur's Theme", winning an Academy Award in 1981. In addition to recording many albums, he enjoyed a cabaret and concert career, including appearing at Radio City Music Hall riding a camel. His marriage to Liza Minnelli ended in divorce; he subsequently proclaimed his homosexuality and publicly entered a relationship with Gregory Connell that lasted until Connell's death, 15 years later.

source: Wikipedia