Theodore Drewes, 85, of St. Louis passed away on March 1, 2023. He was born on December 20, 1937, in St. Louis. Drewes graduated from SLU High School and went on to earn a degree in Engineering from the University of Missouri-Rolla. He worked for Boeing for over 30 years before retiring. Drewes is survived by his wife, Mary, and their three children. A private funeral service will be held. In lieu of flowers, donations can be made to the Alzheimer’s Association.