…
Self - Narrator
(78)
(2006–2024)
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Self - Narrator
(60)
(2010–2025)
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Self - Narrator
(32)
(2012–2026)
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Self - Narrator
(30)
(1992–2006)
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Self - Narrator
(26)
(2004–2015)
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Self - Narrator
(24)
(1988–2004)
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Self - Narrator
(23)
(2022–2026)
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Self - Narrator
(голос)
(22)
(2002–2008)
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Self - Narrator
(19)
(1999–2009)
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Self - Narrator
(15)
(1989–2014)
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Self - Narrator
(13)
(2018–2022)
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Self - Host
(13)
(2011–2021)
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Self - Narrator
(12)
(1978–1993)
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Self - George Mason Universty
(11)
(2021–2025)
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Self - Narrator
(9)
(1996–2006)
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Self - Narrator
(8)
(2013–2024)
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Self - Narrator
(голос)
(8)
(1979–2005)
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Self - Narrator
(8)
(2004–2018)
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Self - Narrator
(8)
(1974–2001)
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Self - Narrator
(8)
(1977–1983)
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Self - Narrator
(8)
(1997–2022)
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Self - Director, Space Telescope Science Institute
(8)
(2009–2025)
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Self - Narrator
(7)
(2020–2025)
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Self - MIT
(7)
(2011–2024)
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Self - Narrator
(7)
(1998–1999)
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Self - Chief Engineer, Mars Sample Return Campaign, NASA Caltech Jet Propulsion Laboratory
(7)
(2004–2024)
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Self - University of Maryland
(7)
(2011–2021)
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Self - Narrator
(6)
(1996–2018)
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Self - Narrator
(6)
(2001–2010)
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Self - Theoretical Physicist
(6)
(2011–2024)
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Self - Narrator
(6)
(2003–2004)
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Self - Chief Astronomer The Franklin Institute
(6)
(2019–2024)
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Self - Astrophysicist, NASA Jet Propulsion Laboratory
(6)
(2019–2024)
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Self - Harvard-Smithsonian Center for Astrophysics
(6)
(2021–2024)
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Narrator
(6)
(2004–2009)
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Self - Smithsonian National Air and Space Museum
(6)
(2019–2024)
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Self - Cornell University
(6)
(2004–2019)
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Self - Narrator
(голос)
(5)
(2011–2014)
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Self - Narrator
(голос)
(5)
(2019)
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Self - Narrator
(5)
(2009–2022)
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Self - Narrator
(5)
(1974–1981)
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Self - Institute of Human Origins
(5)
(2009–2016)
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Self - Scientist
(5)
(2011–2024)
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Self - University of Georgia
(5)
(2013–2023)
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Self - University College London
(5)
(2013–2019)
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Self - University of Cambridge
(5)
(2005–2015)
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Self - Narrator
(4)
(2004–2022)
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Self - Host
(4)
(2012–2024)
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(4)
(1975–1984)
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(голос)
(4)
(1997–2001)
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Self - Narrator
(4)
(1998–2004)
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Self - Harvard University
(4)
(2002–2009)
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Self - NASA Science Mission Directorate
(4)
(2004–2015)
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(4)
(2006)
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Self - Astrophysicist, Massachussets Institute of Technology
(4)
(2008–2015)
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Self - Smithsonian Institution
(4)
(2009–2016)
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Self - University of California, Los Angeles
(4)
(2010–2020)
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Self - Southwest Research Institute
(4)
(2010–2019)
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Self - Astrophysicist at STScl
(4)
(2010–2015)
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Self - Astronomer at University of California at Berkeley
(4)
(2010–2014)
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Self - University of Leicester
(4)
(2019–2024)
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Self - Sandia National Laboratories
(4)
(2009–2017)
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Self - Lead Engineer
(4)
(2012–2016)
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Self - Planetary Scientist, Cornell University
(4)
(2017–2023)
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Self - Military Historian
(4)
(2013–2025)
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Self - Harvard University
(4)
(2005–2018)
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Self - University of Oklahoma
(4)
(1985–2013)
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Self - Max Planck Institute
(4)
(2002–2013)
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Self - Planetary Scientist at Space Science Institute
(4)
(2011–2023)
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Self - California Institute of Technology
(4)
(1999–2018)
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Self - Smithsonian Air & Space Museum
(4)
(2003–2014)
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Self - Harvard-Smithsonian Center for Astrophysics
(4)
(2010–2021)
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Self - Astronomy & Space Sciences, Cornell
(4)
(1978–2019)
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Self - California Institute of Technology
(4)
(2010–2019)
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Self - Stanford University
(4)
(2006–2021)
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Self - Narrator
(3)
(2012–2013)
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Self - Evolutionary Geneticist
(3)
(2016–2024)
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Self - Physicist
(3)
(1975–2008)
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Self - Narrator
(3)
(1981–1995)
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Self - Narrator
(3)
(1997–1998)
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Self
(голос)
(3)
(1998–2001)
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Self - Reporter
(3)
(2001–2004)
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Self - University of Chicago
(3)
(2002–2009)
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Self - Participant
(3)
(2004–2008)
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Self - Marine Geologist - Oregon State University
(3)
(2005–2015)
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Self - Participant
(3)
(2005–2014)
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Self - National Oceanography Center - Southampton
(3)
(2005–2011)
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Self - Astronaut
(3)
(2007–2014)
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Self - Museum Victoria
(3)
(2007–2013)
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Self - NASA Astronaut, Retired
(3)
(2008–2015)
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Self - Providence College
(3)
(2008–2015)
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Self - Astrobiologist at Ames Research Center
(3)
(2008–2014)
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Self - Paleoartist
(3)
(2009–2015)
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Self - Columbia University
(3)
(2009)
…
Self - Researcher
(3)
(2010–2024)
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Self - Astrophysicist
(3)
(2010–2011)
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Self - Astrobiologist at Goddard Space Flight Center
(3)
(2011–2021)
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Self - Narrator
(3)
(2011–2016)
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Self - The Univesity of Texas at Austin
(3)
(2011–2015)
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Self - Fermilab
(3)
(2011–2015)
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Self - Stanford University
(3)
(2011)
…
Self - Astrophysicist, JWST, NASA Goddard Space Flight Center
(3)
(2015–2023)
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Self - Planetary Scientist, New Horizons Mission
(3)
(2015–2019)
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Self - Project Scientist, New Horizons Mission
(3)
(2015–2019)
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Self - Volcanologist, NASA
(3)
(2018–2020)
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Self - Geologist
(3)
(2018–2019)
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Self - Lunar and Planetary Institute
(3)
(2019)
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Self - Narrator
(3)
(2021–2026)
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Self - Calligrapher
(3)
(2005–2020)
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Self - Professor of Engineering, Olin College
(3)
(2024)
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Self - NASA Goddard Space Flight Center
(3)
(2012–2017)
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Self - Egyptologist
(3)
(2019–2025)
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Self - Astrophysicist
(3)
(2018–2021)
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Self - Ancient Egypt Research Associates
(3)
(1992–2019)
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Self - Theoretical Physicist, MIT
(3)
(2011–2021)
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Self - Prof. of Chemical Eng. and Materials Science, USC and the Ellison Institute of Technology
(3)
(2024)
…
Self - American University in Cairo
(3)
(2015–2020)
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Self - CEO and Founder, STEMedia
(3)
(2024)
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Self - Senior Project Engineer, The Aerospace Corporation
(3)
(2024–2025)
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Self - McGill University
(3)
(2000–2024)
…
Self - Planetary Science Institute
(3)
(2019–2024)
…
Self - Director of Planetary Science Division at NASA
(3)
(2011–2017)
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Self - MIT
(3)
(2013–2017)
…
Self - Chief Scientist, Mars Science Laboratory
(3)
(2005–2019)
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Self - Participant
(3)
(2008–2024)
…
Self - University of California, Los Angeles, Galactic Center Group
(3)
(2006–2024)
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Self - Deputy Dean of Engineering, MIT
(3)
(2024)
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Self - Bird Trainer
(3)
(2014–2018)
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Self - National Weather Service, Storm Prediction Center
(3)
(2012–2018)
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Self - National Museum of Natural History
(3)
(2017–2022)
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Self - User Experience Researcher, Meta
(3)
(2024)
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Self - KWTV, Oklahoma City
(3)
(2004–2013)
…
Self - Chief Engineer, Mars Science Laboratory
(3)
(2004–2012)
…
Self - Massachusetts Institute of Technology - Department of Mechanical Engineering
(3)
(2008–2014)
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Self - Cosmologist
(3)
(2011–2015)
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Self - Harvard-Smithsonian Center for Astrophysics
(3)
(2021–2024)
…
Self - Professor of Electrical and Medical Engineering, Caltech
(3)
(2024)
…
Self - Natural History Museum, London
(3)
(2005–2016)
…
Self - Astrobiologist, Columbia University
(3)
(2015–2019)
…
Self - University of Portsmouth
(3)
(2021–2024)
…
Self - Physicist, Imperial College London
(3)
(2017–2024)
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Self - Haag Engineering
(3)
(2004–2013)
…
Self - University of California, Berkeley
(3)
(2011–2015)
…
Self - Nobel Laureate 2011, Johns Hopkins University
(3)
(2011–2024)
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Self - Scientist
(3)
(2005–2012)
…
Self - NASA Scientist
(3)
(2010–2019)
…
Self - University of Pennsylvania
(3)
(2013–2016)
…
Self - Narrator
(2)
(1975–1977)
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Self - Narrator
(2)
(1976–1980)
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Self - Physicist
(2)
(1978–2019)
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Self - Biochemist & Science Fiction Writer
(2)
(1980–2019)
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Self - Harvard-Smithsonian Center for Astrophysics
(2)
(1981–2010)
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Self - Challenger Astronaut
(2)
(1984–2008)
…
Self (former Surgeon General of the United States)
(2)
(1989–2001)
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Self (narrator)
(2)
(1993–1997)
…
Self - Narrator
(2)
(1993)
…
Self - Son
(2)
(1995–2022)
…
Self
(голос)
(2)
(1998)
…
Self
(голос)
(2)
(1998)
…
Self
(голос)
(2)
(1998)
…
Self - Chemical Engineer, MIT
(2)
(2001–2011)
…
Self - Epigrapher, University of Texas at Austin
(2)
(2001–2008)
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Self - Archeologist, Harvard University
(2)
(2001–2008)
…
Self - Translator
(голос)
(2)
(2003–2004)
…
Self - Narrator
(голос)
(2)
(2004–2005)
…
Self - President of the United States
(2)
(2004–2005)
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Self - Scientist, Mars Program, Jet Propulsion Laboratory
(2)
(2004–2005)
…
Self - Mars Exploration Rovers Project Manager, Jet Propulsion Laboratory
(2)
(2004–2005)
…
Self - Deputy Mission Manager, MER
(2)
(2004–2005)
…
Self - Rover Engineer
(2)
(2004–2005)
…
Self - Entry, Descent and Landing Systems Engineer, MER
(2)
(2004–2005)
…
Self - University College London
(2)
(2005–2011)
…
Self - Massachusetts Institute of Technology
(2)
(2005–2011)
…
Self - Pacific Tsunami Warning Center
(2)
(2005–2011)
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Self - Author
(2)
(2005–2008)
…
Self - Nasa Administrator
(2)
(2005–2008)
…
Self - Participant
(2)
(2005–2008)
…
Co-Pilot Robert Bragg
(2)
(2006–2022)
…
Self - Astronaut
(2)
(2008–2025)
…
Self - Astronaut
(2)
(2008–2021)
…
Self - Participant
(2)
(2008–2021)
…
Self - Astronaut
(2)
(2008–2019)
…
Self - Stonehill College
(2)
(2008–2015)
…
Self - Hebrew Union College - Jerusalem
(2)
(2008–2015)
…
Self - Astronaut
(2)
(2008–2014)
…
Self - Astronaut
(2)
(2008–2014)
…
Self - Tel Aviv University
(2)
(2008–2010)
…
Self - NASA Administrator, Retired
(2)
(2008–2009)
…
Self - James Dewar
(2)
(2008)
…
Self - University of Toronto
(2)
(2008)
…
Self - Author - 'Absolute Zero'
(2)
(2008)
…
Self - Marinus Smit
(2)
(2008)
…
Self - Henk Van Rooyen
(2)
(2008)
…
Self - Narrator
(2)
(2009–2021)
…
Self - National Geographic Explorer-in-Residence
(2)
(2009–2016)
…
Self - University of Bergen
(2)
(2009–2016)
…
Self - University of Tübingen
(2)
(2009–2016)
…
Self - Institute of Human Origins
(2)
(2009–2016)
…
Self - NASA Astronaut
(2)
(2009–2015)
…
Self - Nsa Director, 1999-2005
(2)
(2009–2015)
…
Self - NASA Astronaut
(2)
(2009–2015)
…
Self - Author, 'The Shadow Factory'
(2)
(2009–2015)
…
Self - California Academy of Sciences
(2)
(2009–2015)
…
Self - The George Washington University
(2)
(2009–2015)
…
Self - United States Secretary of Energy
(2)
(2009–2011)
…
Self - University of California, Berkeley
(2)
(2009–2011)
…
Self - Max Planck Institute
(2)
(2009)
…
Self - Stony Brook University
(2)
(2009)
…
Self - Senior Research Scientist
(2)
(2010–2019)
…
Self - Planetary Science Institute
(2)
(2010–2015)
…
Self - Clyde Tombaugh's Daughter
(2)
(2010–2015)
…
Self - Maritime Archaeologist
(2)
(2010–2015)
…
Self
(голос)
(2)
(2010)
…
Self - Director: Carnegie Institution Observatories
(2)
(2010)
…
Self - Director, Museum of the History of Science
(2)
(2010)
…
Self - Professor: University of Chicago
(2)
(2010)
…
Self - Astrophysicist
(2)
(2010)