James H. Nicholson approached him about being his partner in American Releasing Company (later American International Pictures). Cohen had to turn the offer down due to a commitment to United Artists. Nicholson then offered the position to a lawyer, Samuel Z. Arkoff. Many of Cohen's productions would be released through AIP.
Interviewed in the Tom Weaver books "Attack of the Monster Movie Makers"
(McFarland & Co., 1994), "Eye on Science Fiction" (McFarland & Co., 2003) and "A Sci-Fi Swarm and Horror Horde" (McFarland & Co., 2010).