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Through military duty, he was assigned to NASA’s Ames Research Center in 1967 where he worked in a civilian capacity in preparation for the Apollo missions to the Moon. He stayed on at NASA to conduct research in planetary geology.
“I had been on sabbatical at NASA Ames Research Center working on the analysis of lunar samples, and I saw Ron and I saw potential,” recalls Carleton Moore, founding director of ASU’s Center for Meteorite Studies. “When I got the opportunity, I hired him.”
Greeley began teaching at ASU in 1977 with a joint professorship in the department of geology and the Center for Meteorite Studies. He studied wind processes on Earth and other planets and conducted photogeological mapping of planets and satellites among other research projects. In 1986, Greeley left the Center for Meteorite Studies to serve as chair of the department of geology.
“It was exciting to have him here; he was a major step in advancing space at ASU. He was the first one that came that did missions and experiments on planetary bodies,” says Moore. “He was really the first person to reach out to the other planets. And then he hired Phil Christensen.”
“Ron Greeley was indisputably one of the founders of planetary science, and the influence he has had, both through his own work and through the students and colleagues that he guided and mentored, touches virtually all aspects of this field,” says Christensen, a Regents’ Professor in the School of Earth and Space Exploration in ASU’s College of Liberal Arts and Sciences.
“Ron played a major role in my career,” says Christensen. “I came to ASU specifically to work with Ron after receiving my graduate degree, and I have remained at ASU for 30 years largely because of the remarkable environment that Ron created here to foster planetary science as an extension of geology.”
Greeley, a pioneer in the planetary geology field, served as the director of the NASA-ASU Regional Planetary Image Facility and principal investigator of the Planetary Aeolian Laboratory at NASA-Ames Research Center. He served on and chaired many NASA and National Academy of Science panels and he was involved in nearly every major space probe mission flown in the solar system since the Apollo Moon landing. Mission projects included the Galileo mission to Jupiter, Magellan mission to Venus and Shuttle Imaging Radar orbiter around Earth. He was also part of the data analysis program for the Voyager 2 mission to Uranus and Neptune. His projects focused on the moons of these distant bodies. Passionate about Mars exploration, he has been involved with several missions to the Red Planet, including Mariner (6, 7, 9), Viking, Mars Pathfinder, Mars Global Surveyor and the Mars Exploration Rovers. He is a co-investigator for the camera system onboard the European Mars Express mission.
Former students scattered throughout the universities and research institutes of this country provide testimony to his influence on planetary geology.
“As I began my research career, Ron reminded me of the old adage: ‘A journey of 1,000 miles begins with a single step.’ I am fortunate to have had Ron there walking beside me,” says Robert Pappalardo, senior research scientist at NASA Jet Propulsion Lab. Greeley served as Pappalardo’s advisor. After receiving his doctorate from ASU in 1994, Pappalardo worked with Greeley for one year immediately after that as a postdoc. Since about 2002, the two had worked together on the science basis for Europa mission studies.
“Ron was a gentleman, a statesman, a mentor, a scholar,” says Pappalardo. “Not a day goes by that I don’t think, in some situation, ‘What would Ron Greeley do?’”
“Ron was a profoundly influential scientist whose imprint on planetary science will live on through his body of research and the many students he taught and mentored. He was a wonderful friend and colleague. We were fortunate to have known him and will miss him terribly,” said Kip Hodges, founding director of the School of Earth and Space Exploration. Greeley served a year as interim director of the school before Hodges joined ASU.
“Ron has been a very good friend of mine for many years, an incredible leader in planetary science, and the founder and guiding force for planetary science here at ASU. His leadership, friendship, and vision will be sorely missed,” says Christensen.
Greeley’s work lives on in proposed missions to Europa, a moon of Jupiter, and in the numerous students he mentored who today play pivotal roles in space science efforts.
Greeley is preceded in death by his daughter, Vanessa. He is survived by his wife Cindy and his son, Randall (Lidiette). He leaves behind three grandchildren.
A memorial service is scheduled for Monday, November 7. There will be a visitation with the family from 2:30-3:45 p.m. and a memorial service from 4-5 p.m. at the LDS Church, 2707 S. College Ave., in Tempe. Link to map: http://g.co/maps/82vr3. The family is asking that, in lieu of flowers, donations be made to the "Ron Greeley Memorial Fund." Memorial donations may be made to the ASU Foundation for the Ronald Greeley Memorial Endowment, c/o the School of Earth and Space Exploration, PO Box 871404, ASU, Tempe, AZ 85287-1404.
A Facebook page dedicated to Professor Greeley will also be updated with related information: http://www.facebook.com/profile.php?id=100003109532235&sk=wall.