Bert Lahr (born Irving Lahrheim, August 13, 1895 – December 4, 1967) was an American entertainer. He was born Irving Lahrheim in New York City. He started his career in vaudeville. He performed in Broadway musicals. He was in Cole Porter's musical "DuBarry was a Lady" in 1939. He was also in the movie "The Wizard of Oz" in 1939. He played the Cowardly Lion. Lahr was married twice. He had three children. He died of cancer, aged 72.