Morrow was born in Austin, Minnesota and studied at St. Olaf College.
These include the savant played by Dustin Hoffman in the film Rain Man, inspired by the real savant Kim Peek; and mentally disabled Bill Sackter, played by Mickey Rooney in the TV movie Bill.
Both works received writing Oscar, Emmy and other awards for Morrow and for the actors who portrayed them.
[1] Morrow put his Oscar statuette on permanent loan to Salt Lake City in memory of Kim Peek, and put forward the money for the Peek Award, which "pays tribute to artists, media makers, and film subjects who are positively impacting our society’s perception of people with disabilities" and is given out by the Utah Film Center.
[2] Morrow is a member of the Arc of the United States, the National Association of Social Workers, and the Autism Society of America.