Peter Wisoff

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Peter Jeffrey Kelsay "Jeff" Wisoff
Peter Wisoffcropped.jpg
NASA Astronaut
Nationality American
Status Retired
Born (1958-08-16) August 16, 1958 (age 59)
Norfolk, Virginia
Other occupation
Time in space
44d 08h 09m
Selection 1990 NASA Group
Missions STS-57, STS-68, STS-81, STS-92
Mission insignia
Sts-57-patch.png Sts-68-patch.png Sts-81-patch.png Sts-92-patch.png

Peter Jeffrey Kelsay Wisoff (born August 16, 1958) is an American physicist and former NASA astronaut.[1] Wisoff qualified as mission specialist and flew in four manned Space Shuttle missions, with his first launch in 1993 and his last in 2000.


Wisoff graduated from Norfolk Academy, Norfolk, Virginia, in 1976, received a bachelor of science degree in physics (with Highest Distinction) from University of Virginia in 1980, a master of science degree and a doctorate in applied physics from Stanford University in 1982 and 1986 respectively.[1]

Wisoff's graduate work at Stanford University (as a National Science Foundation Graduate Fellow) focused on development of short wavelength lasers. Wisoff later joined the faculty of the Electrical and Computer Engineering Department at Rice University. His research focused on the development of new vacuum ultraviolet and high intensity laser sources. He also collaborated with researchers from regional Texas Medical Centers on the applications of lasers to the reconstruction of damaged nerves and has collaborated with researchers at Rice University on new techniques for growing and evaluating semiconductor materials using lasers. Wisoff has contributed numerous papers at technical conferences and in journals in the areas of lasers and laser applications.[1] On October 1, 2013, Wisoff was named the interim principal associate director for the NIF and Photon Sciences directorate at Lawrence Livermore National Laboratory in place of the outgoing Ed Moses.[2]

NASA career[edit]

Astronaut Peter Wisoff on the end of shuttle robot arm, 1993

Selected by NASA in January 1990, Wisoff became an astronaut in July 1991. He is qualified for flight assignment as a mission specialist. His technical assignments to date include: spacecraft communicator (CAPCOM) in Mission Control; flight software verification in the Shuttle Avionics Integration Laboratory (SAIL); coordinating flight crew equipment; evaluating extravehicular activity (EVA) equipment and techniques for the construction of Space Station; lead for the Payloads and Habitability Branch of the Astronaut Office. A veteran of four space flights, STS-57 in 1993, STS-68 in 1994, STS-81 in 1997 and STS-92 in 2000, Wisoff has logged a total of 42 days, 56 hours, 1 minute and 48 seconds in space, including 19 hours and 53 minutes of EVA time in three space walks.[1]

Spaceflight experience[edit]

STS-57 Endeavour (June 21 to July 1, 1993) launched from and returned to land at the Kennedy Space Center, Florida. The primary objective of this flight was the retrieval of the European Retrievable Carrier satellite (EURECA) using the RMS. Additionally, this mission featured the first flight of Spacehab, a commercially provided middeck augmentation module for the conduct of microgravity experiments. Spacehab carried 22 individual flight experiments in materials and life sciences research. During the mission Wisoff conducted a 5-hour, 50-minute spacewalk during which the EURECA communications antennas were manually positioned for latching, and various extravehicular activity tools and techniques were evaluated for use on future missions. STS-57 was accomplished in 155 orbits of the Earth in 239 hours and 45 minutes.[1]

STS-68 Endeavour (September 30 to October 11, 1994) was the Space Radar Lab-2 (SRL-2) mission. As part of NASA’s Mission to Planet Earth, SRL-2 was the second flight of three advanced radars called SIR-C/X-SAR (Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar), and a carbon-monoxide pollution sensor, MAPS (Measurement of Air Pollution from Satellites). SIR-C/X-SAR and MAPS operated together in Endeavour’s cargo bay to study Earth’s surface and atmosphere, creating radar images of Earth’s surface environment and mapping global production and transport of carbon monoxide pollution. Real-time crew observations of environmental conditions, along with over 14,000 photographs aided the science team in interpreting the SRL data. The SRL-2 mission was a highly successful test of technology intended for long-term environmental and geological monitoring of planet Earth. Following 183 orbits of the Earth in 269 hours and 46 minutes, the eleven-day mission ended with Space Shuttle Endeavour landing at Edwards Air Force Base, California.[1]

STS-81 Atlantis (January 12–22, 1997) was a ten-day mission, the fifth to dock with Russia’s Space Station Mir, and the second to exchange U.S. astronauts. The mission also carried the Spacehab double module providing additional middeck locker space for secondary experiments. In five days of docked operations more than three tons of food, water, experiment equipment and samples were moved back and forth between the two spacecraft. Following 160 orbits of the Earth in 244 hours, 55 minutes, the STS-81 mission concluded with a landing on Kennedy Space Center’s Runway 33 ending a 3.9 million mile journey.[1]

STS-92 Discovery (October 11–24, 2000) was launched from the Kennedy Space Center, Florida and returned to land at Edwards Air Force Base, California. During the 13-day flight, the seven member crew attached the Z1 Truss and Pressurized Mating Adapter 3 to the International Space Station using Discovery’s robotic arm and performed four space walks to configure these elements. This expansion of the ISS opened the door for future assembly missions and prepared the station for its first resident crew. Wisoff also tested the SAFER jet backpack with fellow astronaut Michael Lopez-Alegria, flying up to 50 feet from the spacecraft.[3] He totaled 13 hours and 16 minutes of EVA time in two space walks. The STS-92 mission was accomplished in 202 orbits, traveling 5.3 million miles in 12 days, 21 hours, 40 minutes and 25 seconds.

He is related to Charles Wisoff.[1]

Awards and honors[edit]


He is married to fellow astronaut Tamara Jernigan.

External links[edit]


  1. ^ a b c d e f g h NASA (2000). "Peter Wisoff Biography". NASA. Retrieved October 6, 2008. 
  2. ^ "Moses leaves NIF's day-to-day operations to head new Livermore lab fusion effort". Mercury News. Retrieved 2 October 2013. 
  3. ^ STS-92 NASA Mission Report #15 NASA, 2008-10-18.