It was invented by a collaborative team of wiki enthusiasts, including Ward Cunningham, Jack Herrick, and many others.
On January 15, 2005, the two owners of eHow, Jack Herrick and Josh Hannah, started wikiHow—a collaborative writing project to build the world's largest how-to manual.
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 |