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Tracy Caldwell Dyson facts for kids

Quick facts for kids

Tracy Caldwell Dyson

Caldwell Dyson in 2023

Born

Tracy Ellen Caldwell


(1969-08-14) August 14, 1969 (age 55)

Arcadia, California, U.S

Space career
NASA astronaut

Time in space

372days 18hours and 36minutes
SelectionNASA Group 17 (1998)

Total EVAs

4

Total EVA time

23hours and 20minutes
MissionsSTS-118
Soyuz TMA-18 (Expedition 23/24)
Soyuz MS-25 (Expedition 70/71)

Mission insignia

Scientific career
FieldsPhysical chemistry
ThesisA Mechanistic and Kinetic Study of Heterocycle and Cyclization Chemistry on Pd(111) Using Laser-Induced Thermal Desorption with Fourier Transform Mass Spectrometry(1997)

Tracy Caldwell Dyson (born Tracy Ellen Caldwell; August 14, 1969) is an American chemist and NASAastronaut. She was a mission specialist on Space ShuttleEndeavour 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 Expeditio

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Tracy Caldwell Dyson

ASTRONAUT

1969 - Today

Tracy Caldwell Dyson

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. Read more on Wikipedia

Since 2007, the English Wikipedia page of Tracy Caldwell Dyson has received more than 461,905 page views. Her biography is available in 39 different languages on Wikipedia (up from 34 in 2019). Tracy Caldwell Dyson is the 251st most popular astronaut (up from 310th in 2019), the 9,664th most popular biography from United States (up from 11,507th in 2019) and the 98th most popular American Astronaut.

Memorability Metrics

  • 460k

    Page Views (PV)

  • 51.56

    Historical Popularity Index (HPI)

  • 39

    Languages Editions (L)

  • 4.56

    Effective Languages (L*)

  • 3.74

    Coefficient of Variation (CV)

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    Caldwell-Dyson, Tracy Ellen
    American chemist mission specialist astronaut 1998-on.

    Status: Active 1998-on. Born: 1969-08-14. Spaceflights: 2 . Total time in space: 188.80 days. Birth Place: Arcadia, California.

    Educated Cal State-Fullerton; UCD.

    Official NASA Biography as of June 2016:Tracy Caldwell Dyson (Ph.D.)
    NASA Astronaut

    PERSONAL DATA: Born in Arcadia, California. Married to George Dyson IV. Caldwell Dyson enjoys sports, hiking, and auto repair/maintenance. She competed in intercollegiate track and field at California State University, Fullerton (CSU Fullerton), as both a sprinter and long jumper.

    EDUCATION: Received a Bachelor of Science degree in Chemistry from CSU Fullerton, 1993 and a Ph.D. in Chemistry from the University of California at Davis, (UC Davis) 1997.

    SPECIAL HONORS: NASA Space Flight Medal, 2007, 2010; NASA Distinguished Service Medal, 2010; NASA Go the Extra Mile (GEM) Award, 2

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