George Knockout Brown

George A. Contas (August 25, 1890 - ?) also known as George Knockout Brown was a middleweight boxing champion from Chicago, Illinois.

He was born on August 25, 1890 in Sparta, Greece. His family moved to Chicago, Illinois. He traveled many times to Australia to fight.

After his boxing career, he was a Sergeant in the Cicero IL Police Department.George and his wife, Sally, had no children.