Who is the person, or are the people, who in 1920 formed the company which eventually became Columbia Pictures?

Question

Dodge Morgan, who became famous in 1986 at age 54 when he sailed solo around the globe without stops in 150 days (breaking the record of 292 days), had become a millionaire by operating a company that manufactured what from 1971 to 1983?

Answer 1

The Cohn brothers (Harry and Jack) and Joe Brandt
The Cohns and Brandt formed CBC Film Sales Corporation, which four years later became Columbia Pictures. Johnston founded Monogram Pictures, Laemmle founded what became Universal Pictures, Zukor and Lassky founded what became Paramount Pictures.