File:Tracy_Dyson_portrait_2023.jpg · Wikimedia Commons · See Wikimedia Commons
Tracy Caldwell Dyson
Sign in to saveAlso known as Tracy Ellen Caldwell
American chemist and NASA astronaut
Key facts
- Born
- Tracy Ellen Caldwell , ( 1969-08-14 ) August 14, 1969 (age 56) , Arcadia, California , U.S
- Education
- California State University, Fullerton ( BS ), University of California, Davis ( MS , PhD )
- Spouse
- George Dyson
- Time in space
- 372 days 18 hours and 36 minutes
- Selection
- NASA Group 17 (1998)
- Total eva time
- 23 hours and 20 minutes
- Missions
- STS-118 , Soyuz TMA-18 ( Expedition 23 / 24 ), Soyuz MS-25 ( Expedition 70 / 71 )
- Fields
- Physical chemistry
- Thesis
- A Mechanistic and Kinetic Study of Heterocycle and Cyclization Chemistry on Pd(111) Using Laser-Induced Thermal Desorption with Fourier Transform Mass Spectrometry (1997)
via Wikipedia infobox
Wikidata facts
- Instance of
- human
- Part of
- NASA Astronaut Group 17
- Given name
- Tracy
- Family name
- Caldwell
- Gender
- female
- Citizenship
- United States
- Place of birth
- Arcadia
- Occupation
- physicist
- Educated at
- California State University
- Employer
- NASA
- Languages spoken
- English language
- Image
- Tracy E Caldwell portrait.jpg
Show 5 more facts
- P450
- Expedition 71
- member of the crew of
- Expedition 70
- Commons category
- Tracy Caldwell
- date of birth
- 1969-08-14
- time in space
- 536795
via Wikidata · CC0
~14 min read
Encyclopedic overview
Tracy Caldwell Dyson (born Tracy Ellen Caldwell; August 14, 1969) is an American chemist and NASA astronaut. She was a mission specialist on Space Shuttle Endeavour flight STS-118 in August 2007 and has participated in two long-duration missions to the International Space Station, Expedition 23 and 24 from April to September 2010 and Expedition 70 and 71 from March to September 2024. She has completed four spacewalks, logging nearly 24 hours of extravehicular activity.
Early life and education
Excerpted from Wikipedia’s “Tracy Caldwell Dyson” article, available under the CC BY-SA 4.0 licence.