Henry Threadgill (born February 15, 1944, in Chicago, Illinois) is an American composer, saxophonist and flautist, who came to prominence in the 1970s leading ensembles with unusual instrumentation and often incorporating a range of non-jazz genres. He studied at the American Conservatory of Music in Chicago co-majoring in piano and flute, along with composition. He studied piano with Gail Quillman and composition with Stella Roberts.