William Edgar Cohen (November 3, 1941 – May 20, 2014) was the president of CNS Productions, Inc. and co-author of Uppers, Downers, All Arounders, a textbook on the neurochemistry and neuropharmacology of psychoactive drugs. Additionally, he wrote and directed over two hundred teaching films and documentaries. Cohen was born in Washington, D.C. and raised in New York City.