The Hughes Astronauts–compiled by Jack Fisher

Payload Specialists Greg Jarvis and Bill Butterworth–The SCG Journal February 1985

Live and on-camera--SCG Payload Specialist Greg Jarvis (right) and Bill Butterworth, payload specialist alternate, demonstrate employee-designed experiments to news crews during a press day earlier this month.  The experiments, which all deal with fluid dynamics in zero-g, will fly on shuttle mission 51-D with jarvis in March.  The equipment in front of Butterworth will track air bubble movement in model fuel tnaks:  Jarvis holds fuel slosh apparatus.

Live and on-camera–SCG Payload Specialist Greg Jarvis (right) and Bill Butterworth, payload specialist alternate, demonstrate employee-designed experiments to news crews during a press day earlier this month. The experiments, which all deal with fluid dynamics in zero-g, will fly on shuttle mission 51-D with jarvis in March. The equipment in front of Butterworth will track air bubble movement in model fuel tnaks: Jarvis holds fuel slosh apparatus.

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About Jack Fisher

Jack was a systems engineer at Hughes from 1961 to 1992. He contributed to various programs including Surveyor, Pioneer Venus, Galileo, Intelsat VI and innumerable proposals. He was the manager of of the Spacecraft Systems Engineering Lab until his retirement. Upon retirement Jack taught systems engineering at a number of national and international venues.