Jason “Jack” Geiger, of Rockville died at age 88 on Nov. 14  at Suburban Hospital in Bethesda.

Geiger practiced medicine in Silver Spring for more than 45 years, and is survived by his wife of 66 years, Gertrude Friedman Geiger, five children, ten grandchildren and one great grandchild.

Geiger earned a medical degree from George Washington University in 1945 and went on to serve in the U.S. Navy before opening his practice in Silver Spring in 1950.

Dr. Geiger served as president of the Maryland chapter of the American Heart Association, as well as the Montgomery County Heart Association. Outside of practicing medicine, Geiger was a docent at the National Museum of Health and Medicine, an amateur aviator and the co-owner of a small airplane.