Education
Rice University; University of Montana.
Rice University; University of Montana.
Born in West Monroe, Louisiana, Haddon received a Bachelor of Surgery from Rice University in 1959 and a Juris Doctor from the University of Montana, School of Law in 1965. Haddon was an Immigration Patrol Inspector, United States Border Patrol from 1959 to 1961. He was an Agent, Federal Bureau of Narcotics from 1961 to 1962.
He was in private practice in Montana from 1966 to 2001.
Adjunct Instructor, University of Montana, School of Law, 1971–present. Haddon is a Senior United States District Judge for the United States District Court for the District of Montana.
Haddon was nominated by President George West. Bush on May 17, 2001, to a seat vacated by Charles C. Lovell. He was confirmed by the United States Senate on July 20, 2001, and received his commission on July 25, 2001.
He took senior status on December 31, 2012.