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Loren Acton signs a commemorative envelope honoring the Space Shuttle Columbia
Commemorative envelope signed: "Loren Actor", 6x3¾ envelope. Commemorative envelope honoring Space Shuttle Columbia, postmarked Kennedy Space Center, July 10, 1979. Physicist Loren Actor (b. 1936), a senior staff scientist at Lockheed's Space Sciences Laboratory, was Payload Specialist on STS-51F (space shuttle Challenger), July 29 - August 6, 1985. This flight, the second Spacelab mission, conducted 13 major experiments in astronomy, astrophysics and life sciences. Acton traveled over 2.8 million miles during 126 orbits, studying the Sun and other celestial objects. Pencil note (unknown hand) on verso. Fine condition.

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Born: March 7, 1936 in Lewiston, Montana

Loren W. Acton (Ph.D.)
Payload Specialist

PERSONAL DATA: Born March 7, 1936, in Lewiston, Montana. Married. Two children.

EDUCATION: Received a bachelor of science degree from Montana State University in 1959, and a doctor of philosophy from the University of Colorado in 1965.

ORGANIZATIONS: American Astronomical Society, International Astronomical Union, Sigma Chi, Astronomical Society of the Pacific, the American Association for the Advancement of Science, and Tau Beta Pi.

EXPERIENCE: Dr. Acton is the senior staff scientist with the Space Sciences Laboratory, Lockheed Palo Alto Research Laboratory, California. As a research scientist, his principle duties included conducting scientific studies of the Sun and other celestial objects using advanced space instruments and serving as a co-investigator on one of the Spacelab 2 solar experiments, the Solar Optical Universal Polarimeter. In 1985, he was a payload specialist on STS-51F/ Spacelab-2. At mission conclusion, Dr. Acton had traveled over 2.8 million miles in 126 Earth orbits, logging over 190 hours in space.

SPACE FLIGHT EXPERIENCE: STS-51F/Spacelab-2 Challenger (July 29 to August 6, 1985) was launched from Kennedy Space Center, Florida, and returned to land at Edwards Air Force Base, California. STS-51F was the first pallet-only Spacelab mission, and the first mission to operate the Spacelab Instrument Pointing System (IPS). It carried 13 major experiments in astronomy, astrophysics, and life sciences. Mission duration was 7 days, 22 hours, 45 minutes and 26.


This is the only version available from NASA. Updates must be sought direct from the above named individual.

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