- His paternal grandparents were German Jewish immigrants, and his maternal grandparents were Russian Jews.
- He was the son of Zara Whitman Kallman, a Broadway actress, and Alvan Kallman, a barnstorming pilot, who owned the Savoy-Plaza Hotel in New York City, The Balsams Grand Resort Hotel in New Hampshire, and the St. Johns Hotel in Havana.
- He eventually retired from show business and became a wealthy antiques and art dealer.
- Formed a music publishing company in 1966.
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