Charles E. Kohlhase (born 1935), manager of the Mission Planning Office for the Voyager spacecraft mission. The two Voyager craft were launched in 1977 & acquired tens of thousands of images & a vast amount of scientific data from close encounters with Jupiter, Saturn, Uranus, Neptune & their satellites. Working at NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California, Kohlhase & his staff were responsible for planning the Voyager grand tour". This portrait was taken in August 1989, at the time of Voyager 2's encounter with Neptune; Kohlhase is seen in front of a simulation of the encounter."