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 | Whittaker Chambers | Jack Straw | Jack Vance | Jack Bruce | Jack Warden | Jack's Mannequin |
In 1955, he opened The Isaacs Gallery where he represented numerous Canadian artists, including Michael Snow, Graham Goughtry, Gordon Rayner, Jack Chambers, Joyce Wieland, Mark Prent, John Meredith, Robert Markle and Gathie Falk.