ROBERT S. BADER is a writer, producer, and filmmaker, as well as the editor of Groucho Marx and Other Short Stories and Tall Tales and coauthor of Speaking of Harpo with Susan Fleming Marx, wife of Harpo Marx. Bader is the curator of the Bing Crosby Archive. He wrote, produced, and directed Ali & Cavett: The Tale of the Tapes (HBO, 2020), which was honored with a Critics’ Choice Documentary Award, and Groucho & Cavett, part of the American Masters series (PBS, 2022). He lives in Los Angeles.