Tracy Caldwell Dyson (born Tracy Ellen Caldwell, August 14, 1969) is an American chemist and NASA astronaut. Caldwell Dyson was a Mission Specialist on Space Shuttle Endeavour flight STS-118 in August 2007. She was part of the Expedition 24 crew on the International Space Station between April 4, 2010 and September 25, 2010. She has completed three spacewalks, logging more than 22 hrs of EVA including work to replace a malfunctioning coolant pump.
Read more about Tracy Caldwell Dyson: Academic Career, NASA Career, Personal Life, Education, Organizations, Awards and Honors, References
Famous quotes containing the words tracy, caldwell and/or dyson:
“The worst thing about it is you don’t even know if you’re doing something wrong.”
—Christine Zajac, U.S. fifth-grade teacher. As quoted in Among Schoolchildren, “Awakening” section, part 3, by Tracy Kidder (1989)
“The academic expectations for a child just beginning school are minimal. You want your child to come to preschool feeling happy, reasonably secure, and eager to explore and learn.”
—Bettye M. Caldwell (20th century)
“A good scientist is a person with original ideas. A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering.”
—Freeman Dyson (b. 1923)