sentences:  1968 to 1978 — Consulting, prototyping and light manufacturing of optics and electronics for Boston-area firms.1978 — Invented an extremely wide angle stereoscopic photographic system based on camera lenses that introduced aberrations on the film to neutralize aberrations required in the viewer to get the extremely wide field.A patent for the system and method, called by the trade name LEEP, issued in 1983.