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Greg Alexander
Mechanical Engineer
Member: 2002-present
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Biography: Greg is a former test pilot and flight test engineer now specializing in conceptual
studies of future aircraft and related systems. He also develops technologies for unmanned aerial vehicles
and ground control systems, mainly for civil applications like surveying and communications. Greg
enjoys flying and boating with his family, and he is the
Aerospaceweb.org webmaster.
Professional Interests: Unmanned aerial vehicles, systems engineering, flight testing, fluid
dynamics, advanced technology research and development, CAD software.
Personal Interests: Flying, sailplanes, skydiving, hot air balloons, bicycling, boating,
hydrodynamics.
Favorite Quote: "Nobody will fly for a thousand years!"
- Wilbur Wright, 1901
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Aaron Brown
Astronautical Engineer
Member: 2001-present
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Biography: Aaron specializes in trajectory analysis, design, and operations at the NASA Johnson
Space Center. Aaron has worked as a Trajectory Operations Officer for the International Space Station
program and on algorithm and technique development for the next generation of trajectory software for
NASA's Orion vehicle.
Professional Interests: Orbital mechanics, space mission planning, manned space flight, unmanned
space flight.
Personal Interests: Inter-planetary space travel, mathematics, fishing, skiing, traveling, cooking,
dancing.
Favorite Quote: "We the willing, led by the unknowing, are doing the impossible for the
ungrateful. We have done so much for so long with so little, that we are now qualified to do anything with
nothing."
- Anonymous
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Doug Jackson
Aeronautical Engineer
Member: 2000-present
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Biography: Doug uses his background in aviation and aerospace to improve aircraft survivability, or
the ability to withstand damage and continue flying safely. Doug concentrates his skills on helicopters
and other rotorcraft as well as efforts to improve crash-worthiness. He has also worked in program
management on major aerospace programs. He travels the country frequently to participate in survivability
tests of aircraft, helicopters, and unmanned aerial vehicles.
Professional Interests: Aerodynamics, flight dynamics, helicopters, tilt rotor technology,
survivability, experimental testing, project management.
Personal Interests: Military aircraft, air shows.
Favorite Quote: "The first time I ever saw a jet, I shot it down."
- Gen. Chuck Yeager, USAF
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Jayme O'Sullivan
Aerospace Engineer
Member: 2001-2005
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Biography: Jayme supports the design, development, and production of different types of aircraft.
She has extensive experience in creating, validating, and applying simulation tools to assist in the design
and operation of flying vehicles. Her other specialties include aerodynamic analysis, wind tunnel testing,
conceptual design, and performance predictions. Jayme is also a private pilot.
Professional Interests: Aerodynamics, conceptual design, wind tunnel testing, vehicle performance
prediction.
Personal Interests: Flying, skydiving.
Favorite Quote: "For once you have tasted flight, you will walk the earth with your eyes
skyward. For there you have been, and there you long to return."
- Leonardo da Vinci
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Jeff Scott
Aerospace Engineer
Member: 1997-present
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Biography: Jeff specializes in aerodynamic analysis and flight simulation to predict performance of
flying vehicles. Among projects Jeff has supported are conceptual design, guidance and control software,
modeling & simulation, scene generation, system engineering, wind tunnel tests, flight clearance analysis,
and advanced technology development. Jeff is the chief editor of
Aerospaceweb.org.
Professional Interests: Aerodynamics, flight mechanics, airframe design, flight simulation, six
degree-of-freedom simulation analysis, trajectory prediction and visualization, vehicle performance.
Personal Interests: History, aviation, model rocketry, radio controlled boats, genealogy.
Favorite Quote: "Oh, I have slipped the surly bonds of earth ...
Put out my hand, and touched the face of God."
- Gillespie Magee, Jr., High Flight, 1941
"When the going gets tough, the tough get aeronautical."
- H. M. Murdock, The A-Team
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Molly Swanson
Computer Scientist
Member: 2003-present
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Biography: Molly designs software for networking and communications applications. Much of her work
focuses on improving network architecture to enhance communications and the rapid transfer of information.
Molly's minor in psychology and human factors experience provide understanding to organize, present, and
make complex information easy to comprehend in fast-paced, high-stress environments.
Professional Interests: Computer programming, object oriented architecture, computer engineering,
information technology, human factors, psychology.
Personal Interests: Air shows, auto racing, motorcycles, traveling, writing, photography.
Favorite Quote: "Flying a plane is no different from riding a bicycle. It's just a lot harder to
put baseball cards in the spokes."
- Capt. Rex Kramer, Airplane!
"You win again, gravity!"
- Zapp Brannigan, Futurama
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Matt Walker
Mechanical Engineer
Member: 2004-present
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Biography: Matt specializes in thermodynamics, combustion, and fluids with an application to
high-speed propulsion systems. His past research has involved catalytically assisted combustion of
kerosene fuels in reciprocating engines. His primary interests are high-speed airbreathing propulsion and
advanced solid rocket technologies. Projects Matt has supported include the X-43 scramjet research
vehicle, NASA's Rocket Based Combined Cycle flight test fixture, and the Ares 1 Crew Launch Vehicle.
Professional Interests: Airbreathing propulsion, thermodynamics, combustion, gas dynamics,
rocketry, computer programming.
Personal Interests: Aviation history, radio controlled airplanes, motorcycles, camping, hunting,
fly fishing, engineering education.
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Justine Whitman
Astronomer
Member: 2006-2014
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Biography: Justine is a retired astronomer who spent most of her career studying characteristics of
binary star systems as well as planets and other bodies within our local solar system. She worked closely
with physicists, geologists, engineers, and other researchers to take advantage of advancements in
telescope technology and improve observations of stars, planets, and other distant objects. Justine also
taught astronomy and enjoys amateur stargazing with her husband, children, and grandchildren.
Professional Interests: Interferometry, radio telescopes, spectroscopy, planetary geology, computer
programming.
Personal Interests: Amateur astronomy, history, geology, photography, painting, religious studies.
Favorite Quote: "Science without religion is lame, religion without science is blind."
- Albert Einstein, 1941
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Joe Yoon
Electrical Engineer
Member: 2001-present
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Biography: Joe Yoon has earned degrees in physics and aerospace engineering in addition to his
doctorate in electrical engineering. He spent his early career working for NASA and major aerospace
companies but now operates a small private consulting firm employed by research laboratories, academic
institutions, and corporations in the engineering field. Though Joe currently specializes in systems
engineering and developing information networking concepts, his career has spanned such varied tasks as
computer programming, flight data analysis and reconstruction, accident investigation, signal processing,
and aircraft instrumentation design.
Professional Interests: Computer networking, multi-disciplinary optimization, flight testing,
flying qualities, fluid dynamics, data analysis, signal processing, accident investigation, range safety,
circuit design.
Personal Interests: Aviation history, flying, aircraft photography, computer graphics, radio
controlled planes, gliders, robotics, magnetoaerodynamics, unconventional flight technologies.
Favorite Quote: "If I have seen further, it is by standing on the shoulders of giants."
- Isaac Newton, 1676
"I know, but this guy has no flying experience at all. He's a menace to himself and everything else in
the air...yes, birds too!"
- Air Traffic Controller, Airplane!
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