Charles Hansen (left) and unidentified men..., 1975
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Charles Hansen (left) and unidentified men associated with the State University of New York at Stony Brook Chapter of United University Professions (UUP) attending a UUP event. Charles Hansen served on the UUP Executive Board from 1977 to 1980, and was UUP Vice President for Professionals from 1980 to 1982.