Dr. Hagner graduated from Marquette’s dental school in 1980 and later spent 16 years teaching at the school, according to a news release from the university.
Dr. Hagner played a pivotal role in the design of a new dental clinic that was added during the dental school’s 2012 expansion.
He also served as a captain in the U.S. Army for 22 years and joined the Army Dental Corps as a dentist. Dr. Hagner retired with the rank of colonel, the release said.