John Low Baldwin, who conducted the University Glee Club of New York City, an exuberant and exclusive throwback to the era when groups like the Wiffenpoofs - - meaning men and only men - - ruled the risers, died Dec. 31 of lung cancer at a Morristown, N.J., hospital. He was 76... Mr Baldwin's first civilian post was as organist at Grace Church in Utica, N.Y. In 1947, he joined the faculty of nearby Hamilton College, though he had not been to college. In 18 years at Hamilton College, he served as chairman of the music department and founded the Root Art Center. He became conductor of the University Glee Club in 1961 while still at Hamilton.