sentences:  Berkowitz is noted for being an original innovator of contemporary FM radio, and popularizing the Top 40 category in the 1970s and 1980s.Gary was the originator and first program director of WPRO-FM (92 PRO-FM) in Providence.Berkowitz went on to program leading US radio stations such as WPRO-AM, WROR, Boston, WHYT, Detroit, WJR, Detroit and WKQI, Detroit.