Roy Richard Grinker Sr. (August 2, 1900 – May 9, 1993) was an American neurologist and psychiatrist, Professor of Psychiatry at University of Chicago, and pioneer in American psychiatry[1][2] and psychosomatics.
In World War II he served at the U.S. Army Medical Corps in North Africa, where with John P. Spiegel he wrote the book Men Under Stress.
Back in Chicago in 1946 Grinker started at the Michael Reese Hospital as director of the Institute for Psychosomatic and Psychiatric Research and Training.
In 1969 became professor of psychiatry at the University of Chicago School of Medicine.
Grinker was the chief editor of the American Medical Association's Archives of General Psychiatry for 17 years.