He was also a painter, working primarily with gouache in a self-taught, primitive style he picked up in Mexico City.
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 |
His literary magazine, This Is Important (1980–1997), published such writers as William S. Burroughs, Wanda Coleman, John M. Bennett, Jack Micheline, Allen Ginsberg, Robin Holcomb, Charles Bernstein, John Giorno, Greg Hall, etc.