His wife was the late Dr. Shirley (Wood) Snitzer, and he is survived by five children, 10 grandchildren and 5 great-grandchildren. ???His death is a great loss to the optics and photonics community,??? SPIE CEO Eugene Arthurs said in a statement from that organization. ???Dr. Snitzer made a huge difference to our field, and his work has contributed to and influenced our world in profound ways.???