R. Barry Johnson has been involved for over 40 years in lens design, optical systems design, and electro-optical systems engineering. He has been a faculty member at three academic institutions engaged in optics education and research, co-founder of the Center for Applied Optics at the University of Alabama in Huntsville, employed by a number of companies, and continues to provide consulting services. Dr. Johnson is an SPIE Fellow and Life Member, OSA Fellow, and past President of SPIE(1987). He has published numerous papers and has been awarded many patents. Dr. Johnson was founder and Chairman of the SPIE Lens Design Working Group (1988-2002), is an active Program Committee member of the International Optical Design Conference, perennial co-chair of the annual SPIE Current Developments in Lens Design and Optical Engineering Conference, and has taught numerous short courses.