 He has presented his work at more than half of the schools of architecture in the United States.Though officially retired, Knowles continues to participate in at USC as a studio advisor and research consultant in the Chase L. Leavitt Graduate Building Science program.His position as a leading voice in solar access design has been acknowledged by the American Institute of Architects Medal for Research and through his Fellowship award and honor as a “Passive Solar Pioneer” by the American Solar Energy Society (ASES).