John Stout (1912-1999) was an American chemist.
Stout was born in Seattle. He earned a B.S. and a Ph.D. in chemistry from the University of California at Berkeley. He stayed on to teach at UC Berkeley and worked as an investigator for the National Defense Research Committee in California during the early years of World War II.
In 1944, Stout went to Los Alamos to work on the Manhattan Project. During his time there, he was a group leader. After the war, Stout went to teach at the University of Chicago. His research included experiments on absolute zero (minus 460 degrees Fahrenheit). He was also well known as the editor of the Journal of Chemical Physics, which he worked on for over 25 years. Stout retired in 1977 as Professor Emeritus.
John Stout died on December 16, 1999, in Chicago.