David S. McKay
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David Stewart McKay (September 25, 1936 – February 20, 2013) was Chief Scientist for astrobiology at the Johnson Space Center. During the Apollo program, McKay trained the first men to walk on the Moon in geology. McKay was the first author of a scientific paper postulating past life on Mars on the basis of evidence in Martian meteorite ALH 84001, which had been found in Antarctica. This paper has become one of the most heavily cited papers in planetary science. The NASA Astrobiology Institute was founded partially as a result of community interest in this paper and related topics. He was a native of Titusville, Pennsylvania.
Apollo program[edit | hide all | hide | edit source]
As a graduate student in geology at Rice University, McKay was present at John F. Kennedy's speech in 1962 announcing the goal of landing a man on the Moon within the decade. Inspired by Kennedy's speech, McKay as a NASA scientist trained the Apollo astronauts in geology. He was a chief trainer for Neil Armstrong and Buzz Aldrin during their last geology field trip in West Texas. On July 20, 1969 in Houston McKay was the only geologist present in the Apollo Mission Control Room when Armstrong and Aldrin walked on the Moon, serving as a resource. He was named principal investigator to study the samples which they brought back from the Moon.
Lunar dust[edit | hide | edit source]
McKay studied lunar dust since the return of the first Apollo 11 samples in 1969, and contributed over 200 publications on this topic. As a result of this effort, McKay contributed to major discoveries, including:
- Source of vapor deposition on lunar soil grains
- Formation of nano-phase iron globules on lunar soil grains
- Processes on the Moon that contribute to grain size distribution
- Space weathering and chemically activated nature of in-situ lunar dust.
Space resources and planetary materials[edit | hide | edit source]
Lunar simulants[edit | hide | edit source]
The engineering simulant JSC-1 was developed by McKay, James Carter of The University of Texas at Dallas, and others.
Martian microfossils[edit | hide | edit source]
Contributions to medical science[edit | hide | edit source]
McKay's research group conducted studies of nanobacteria, tiny life forms such as might be found in extraterrestrial environments. McKay's group was also part of a pioneering study on the effects of lunar dust on health. Using one of the largest returned Apollo regolith samples released to scientists, the research team separated and studied the tiniest sized lunar dust particles.
Asteroid Davemckay, #6111[edit | hide | edit source]
McKay was honored by the International Astronomical Union (IAU) by having an asteroid named after him in 2002. His IAU citation mentions his years of work on lunar samples as well as the positive effect his research on Martian meteorites has had on planetary research.
“It was an unexpected but very high honor to have an asteroid named after me,” McKay said. “If it ever crashes into Earth, I will probably get the blame, but in the meantime it is very nice to have it out there orbiting the Sun for perhaps the next few billion years.”
Education[edit | hide | edit source]
- Rice University, B.A., Geology, 1958
- University of California – Berkeley, M.A., Geology, 1960
- Rice University, Ph.D., Geology, 1964
Professional positions[edit | hide | edit source]
- 1996 – 2013: Chief Scientist for Astrobiology and Planetary Science and Exploration
NASA Johnson Space Center, Houston, TX 77058
- Assistant for Exploration and Technology – NASA Johnson Space Center, 1994 – 96
- Chief, Planetary Programs Office – NASA Johnson Space Center, 1991 – 94
- Chief, Mission Science and Technology Office – NASA Johnson Space Center, 1990 – 91
- Chief, Space Resources Utilization Office – NASA Johnson Space Center, 1987 – 90
- Staff Scientist – NASA Johnson Space Center, 1965 – 87
- Exploration Geophysicist, Exxon and Marine Geophysical, 1960 – 61
Honors[edit | hide | edit source]
- Outstanding Graduate Student Award, Rice University Geology Department, 1963
- Certificate of Special Commendation for Astronaut Training in Geology, Geological Society of America, 1973
- NASA Superior Achievement Award for Lunar Science Contributions, JSC, 1973
- Visiting Scientist Fellowship, Government of Japan, 1974 – 75
- NASA Principal Investigator Recognition Award, 1979
- Multiple Outstanding Performance and Sustained Superior Performance Awards by NASA
- Eight Group Achievement Awards: Field Geology Training Team, Lunar Science Team, Lunar Landing Team, Lunar Surface Experiments Team, First Lunar Outpost Team, Orbital Debris Team, Planetary Materials Curation Team, and Mars Life Public Affairs Team
- Laurels Award, 1996, by Aviation Week and Space Technology
- Life on Mars Team awarded Rotary National Stellar Award for Space Achievement
- Life on Mars Team awarded Popular Science Magazine Award: The Best of What’s New: Grand Award Winner
- NASA Exceptional Scientific Achievement Medal (NASA’s highest award for science), July 1997
- Distinguished Texas Scientist Award, 2000, The Texas Academy of Science
Personal[edit | hide | edit source]
McKay's future wife, Mary Fae, was also in the audience at Rice Stadium during President Kennedy's pivotal speech, although McKay had not met her at that time. She went on to become a NASA Technical Editor.
McKay died in Houston, Texas, of heart disease.
References[edit | hide | edit source]
-  David S. McKay, NASA Scientist and Astronaut Trainer, Dies
- Science, August 16, 1996
-  The text of the speech, 12 September 1962. Note that Dr McKay posted a note on this wikipage's Talk Page, saying that he was in the audience. However, Dr McKay gave the date as 1961.
- Obituary, Aviation Week & Space Technology, 4/11 March 2013 issue, p. 13
- "Tiny Particles May Open New Ways to Study Calcification". Johnson Space Center. NASA. 12 December 2006. Retrieved 16 April 2012.
- Obituary, AW & ST
Further reading[edit | hide | edit source]
- Sawyer, Kathy (2006): The Rock from Mars: A Detective Story on Two Planets, Random House. ISBN 1-4000-6010-9
- Gibson, Everett K.; Thomas-Keprta, Kathie; Clemett, Simon; Morris-Smith, Penny (2013). "David S. McKay, 1936–2013". Astrobiology: 130601073948007. Bibcode:2013AsBio..13.1203G. doi:10.1089/ast.2013.8425.
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