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Sanford Leffler
Sanford Leffler earned a PhD in Forest Biology at the University of Washington. After several years teaching high school through college graduate levels, he transitioned into a rol...показать большеSanford Leffler earned a PhD in Forest Biology at the University of Washington. After several years teaching high school through college graduate levels, he transitioned into a role as a social worker while singing with the Seattle Symphony Chorale in his spare time. Now retired, he lives in Washington State.показать меньше