Saxophonist and professor at Northwestern University School of Music, some of his famous students being Bunky Green, Ryo Noda, and Steve Cole.
He attended the University of Wisconsin–Milwaukee for music and the Eastman School of Music at the University of Rochester before beginning his teaching career.
He studied with
He was born and raised in Milwaukee, Wisconsin.
Both Hemke and Marguerite Long were awarded Premier Prix at the Paris Conservatory.