sentences:  Zimmerman was born in Portland, Oregon.Growing up in Oregon, her swim coach was International Swimming Hall of Fame member Jack Cody.Along with fellow 1948 Olympians Brenda Helser and Nancy Merki, Zimmerman was part of the Multnomah Athletic Club team dubbed "Cody's Kids" that from 1939 to 1948, which won 58 individual national swimming titles and three national team swimming championships.