Rutgers Athletics Hall of Fame
Gantner won varsity letters in both track and swimming during his four years at Rutgers. A four-year letter winner in swimming, Gantner won the 200m breaststroke, 300m medley relay, and the 400 freestyle relay at the 1942 and 1943 Eastern Collegiate Championships, and placed third in the 200m breaststroke at the 1942 NCAA Championships. In 1943, he again excelled in the 200m breaststroke, becoming a National AAU and Eastern Intercollegiate Champion in the event. He also set a world record in the 100-yard breaststroke in 1943 with a time of 0:58.00. A Marine Corps veteran who served at Okinawa, Gantner was also a two-year letter winner in track, specializing in sprints.