Robert Douglas Stuart Jr. (April 26, 1916 – May 8, 2014) was the son of Quaker Oats Company co-founder R. Douglas Stuart, the founder of the America First Committee in 1940, the CEO of Quaker Oats from 1966 to 1981, and United States Ambassador to Norway from 1984 to 1989.

[3] Other students who joined Stuart's committee included Gerald Ford, Sargent Shriver, and Potter Stewart.

The America First Committee asked Robert E. Wood, chairman of Sears, Roebuck and Company, to become its leader.

In addition to running Quaker Oats, Stuart sat on the boards of directors of the First National Bank of Chicago, United Airlines, Deere & Company, and Molson.

In 1984, President Ronald Reagan named Stuart as United States Ambassador to Norway.

Stuart died of a heart attack while he was traveling back to the United States from France, at the age of 98, on May 8, 2014.