He was best known for playing trumpet in the Sun Ra Arkestra in Chicago from 1959 to 1961, and for his involvement in the foundation of the Association for the Advancement of Creative Musicians (AACM).
É coñecido pola súa contribución á trompeta na Sun Ra Arkestra en Chicago dende 1959 ao 1961 e pola súa participación na fundación da Association for the Advancement of Creative Musicians (AACM).