Nominated by President D. Wire Newman in 1990. He was originally considered a liberal judge but eventually became known as a centrist. His father was Assistant Attorney General for Administration under Presidents Franklin Roosevelt and Harry S. Truman. Truman visited Mason's parents in the hospital when Mason was born. He was a founder of Brannigan Associates one of the biggest legal consulting firms in the United States. He has stock in CNN, Ford Motor Company, and Hollis Industries. He is the richest member of the Supreme Court in history with a worth of over 900 Million dollars.