He has served on review panels for various NASA Research Announcements and as a member of a subcommittee on microgravity research for the Space Studies Board, and he is currently a member of the MRP's discipline working group for fundamental physics. Professionally, Reppy's work has been widely recognized. He has been a Guggenheim Fellow twice, a Fulbright-Hays Fellow, and a Senior Fellow for the United Kingdom's Science Research Council. His list of honors also includes the prestigious Fritz London Memorial Award and an award from the National Academy of Sciences, of which he is a member. In addition to his affiliation with numerous science societies, Reppy is a long- standing member of the Appalachian Mountain Club.
Mountain climbing is also part of that interest, and has been for some time.
He and his wife Judith, also a professor at Cornell, have been married 38 years and enjoy frequent trips to rock climbing spots around the country. He has witnessed, firsthand, the maturation of the field of phase transitions in condensed matter physics. I couldn't have asked for a better life.