Theodore von Kármán, was a Hungarian-American mathematician, aerospace engineer, and physicist who worked in aeronautics and astronautics. He was responsible for crucial advances in aerodynamics characterizing supersonic and hypersonic airflow. The human-defined threshold of outer space is named the "Kármán line" in recognition of his work. Kármán is regarded as an outstanding aerodynamic theoretician of the 20th century.
Guion Stewart Bluford Jr. is an American aerospace engineer, retired United States Air Force (USAF) officer and fighter pilot, and former NASA astronaut, in which capacity he became the first African American to go to space. While assigned to NASA, he remained a USAF officer rising to the rank of colonel. He participated in four Space Shuttle flights between 1983 and 1992. In 1983, as a member of the crew of the Orbiter Challenger on the mission STS-8, he became the first African American in space as well as the second black person in space, after Cuban cosmonaut Arnaldo Tamayo Méndez.
Sandra Hall Magnus is an American engineer and a former NASA astronaut. She returned to Earth with the crew of STS-119 Discovery on March 28, 2009, after having spent 134 days in orbit. She was assigned to the crew of STS-135, the final mission of the Space Shuttle. She is also a licensed amateur radio operator with the call sign KE5FYE. From 2012 until 2018 Magnus was the executive director of the American Institute of Aeronautics and Astronautics.
Stephen Kern "Steve" Robinson is an American former NASA astronaut.
John McCreary Fabian is a former NASA astronaut and Air Force officer who flew two Space Shuttle missions and worked on the development of the Shuttle's robotic arm. He later led the Air Force's space operations.
Jeffrey Alan Hoffman is an American former NASA astronaut and currently a professor of aeronautics and astronautics at MIT.
John Mace Grunsfeld is an American physicist and a former NASA astronaut. He is a veteran of five Space Shuttle flights and has served as NASA Chief Scientist. His academic background includes research in high energy astrophysics, cosmic ray physics and the emerging field of exoplanet studies with specific interest in future astronomical instrumentation. After retiring from NASA in 2009, he served as the deputy director of the Space Telescope Science Institute in Baltimore, Maryland. In January 2012, he returned to NASA and served as associate administrator of NASA's Science Mission Directorate (SMD). Grunsfeld announced his retirement from NASA in April 2016.
The NASA Exceptional Achievement Medal is an award of the National Aeronautics and Space Administration established in 1991. The medal is awarded to both civilian members of NASA and military astronauts.
Michael Douglas Griffin is an American physicist and aerospace engineer who served as the Under Secretary of Defense for Research and Engineering from 2018 to 2020. He previously served as Deputy of Technology for the Strategic Defense Initiative, and as Administrator of NASA from April 13, 2005, to January 20, 2009. As NASA Administrator Griffin oversaw such areas as private spaceflight, future human spaceflight to Mars, and the fate of the Hubble telescope.
Gary L. Bennett is an American scientist and engineer, specializing in aerospace and energy. He has worked for NASA and the US Department of Energy (DOE) on advanced space power systems and advanced space propulsion systems. His professional career has included work on the Voyager, Galileo, and Ulysses space missions, and is currently working as a consultant in aerospace power and propulsion systems. He is also a science fiction author.
William H. Gerstenmaier is an aerospace engineer and policymaker who is Vice President, Build and Flight Reliability at SpaceX. He previously served as NASA's Associate Administrator for Human Exploration and Operations between 2005 and July 10, 2019. While in that role, he was described as "arguably the most influential person when it comes to US spaceflight." Prior to being Associate Administrator, Gerstenmaier served as the International Space Station Office Program Manager, at Johnson Space Center, a position he began in June 2002. He spent a total of four decades with NASA.
Lee R. Scherer was an American aeronautical engineer and director of NASA's John F. Kennedy Space Center (KSC) from January 19, 1975 to September 2, 1979. Prior to his appointment as KSC director, Scherer was director of NASA's Flight Research Center, Edwards, California, responsible for the conduct of advanced aeronautical flight research.
Robert David Braun is an American aerospace engineer and academic. He has served as the dean of the College of Engineering and Applied Science at the University of Colorado Boulder, the David and Andrew Lewis Professor of Space Technology at the Georgia Institute of Technology, and the NASA Chief Technologist. Currently, Dr. Braun is the Space Sector Head at the Johns Hopkins University Applied Physics Laboratory (APL).
Ulfila Mark J. Lewis is a senior American aerospace and defense executive with special expertise in hypersonics. He is currently the Executive Director of the National Defense Industrial Association's Emerging Technologies Institute, following his role in the second half of 2020 as the acting US Deputy Under Secretary of Defense for Research and Engineering, and before that the Director of Defense Research and Engineering for Modernization. He was the Chief Scientist of the U.S. Air Force, Washington, D.C. from 2004 to 2008 and was the longest-serving Chief Scientist in Air Force history. He served as chief scientific adviser to the Chief of Staff and Secretary of the Air Force, and provided assessments on a wide range of scientific and technical issues affecting the Air Force mission. In this role he identified and analyzed technical issues and brought them to attention of Air Force leaders, and interacted with other Air Staff principals, operational commanders, combatant commands, acquisition, and science & technology communities to address cross-organizational technical issues and solutions. His primary areas of focus included energy, sustainment, long-range strike technologies, advanced propulsion systems, and workforce development.
Waleed Abdalati held the position of NASA Chief Scientist from 3 January 2011 through December 2012. Abdalati was named to this position on 13 December 2010 by NASA Administrator Charles Bolden. Abdalati previously served NASA as Head of Cryospheric Sciences at Goddard Space Flight Center between January 2004 and June 2008.
Edgar Maurice Cortright was a scientist and engineer, and senior official at the National Aeronautics and Space Administration (NASA) in the United States. His most prominent positions during his career were Director of NASA's Langley Research Center, and Chairman of the Apollo 13 Review Board which investigated the explosion that occurred during the Apollo 13 spaceflight in 1970.
Walter Charles Williams was an American engineer, leader of the National Advisory Committee for Aeronautics (NACA) group at Edwards Air Force Base in the 1940s and 1950s, and a NASA deputy associate administrator during Project Mercury.
Stephen G. Jurczyk was an American engineer who served as the Acting Administrator of NASA. He previously worked at Langley Research Center in Hampton, Virginia.
Reda R. Mankbadi is the founding Dean of the Engineering College at Embry-Riddle Aeronautical University. He is a former NASA senior scientist at NASA's Glenn Research Center and a Fellow of the NASA Lewis Research Academy. Mankbadi has published over 150 scientific papers.
