Margolis also worked as a screenwriter and wrote the script for Claudio Guzmán's 1975 film Linda Lovelace for President.
The company also produced the "Cruisin'" series of albums, recreating top 40 disk jockey shows of the 50s and 60s and released on Increase Records (which at the time was a unit of Watermark), and Jack S. Margolis' comedy album, A Child's Garden of Grass, for Elektra Records.
Jack Kerouac | Jack Nicholson | Jack Nicklaus | Jack the Ripper | Jack London | Jack Kemp | Jack Kirby | Jack Lemmon | Jack Black | Jack Abramoff | Jack Dempsey | Jack Benny | Jack White | Wolfman Jack | Union Jack | Jack White (musician) | Jack and the Beanstalk | Jack Johnson | Jack Charlton | Jack Palance | Jack Daniel's | Jack | Jack Paar | Jack Layton | Jack Straw | Jack Vance | Jack Bruce | Jack Warden | Jack's Mannequin | Jack in the Box |
By the mid-1950s, the Chambord was co-owned by Henry Margolis, a New York entrepreneur and theatrical producer, and his partner Phil Rosen, who ran the restaurant on a daily basis.
He served for five years on the board of the American Society of Magazine Editors, most recently as its vice president; for six years on the board of KLRU, Austin's public television station, which he chaired; for nine years on the Austin Film Society board, twice serving as its president; and for eight years on the board of the Jack S. Blanton Museum of Art at the University of Texas at Austin.