Robert Zubrin

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Robert Zubrin
Photo of Zubrin by the Mars Society
Born (1952-04-09) April 9, 1952 (age 72)
Alma materUniversity of Rochester
University of Washington
(MS, PhD)
Known forMars Direct
Mars Society
The Case for Mars
Energy Victory
SpouseHope Zubrin
Scientific career
FieldsAerospace engineering
InstitutionsMartin Marietta
Pioneer Astronautics

Robert Zubrin (/ˈzbrɪn/; born April 9,[1] 1952[2]) is an American aerospace engineer, author,[3] and advocate for human exploration of Mars. He is also an advocate for U.S. space superiority, writing that "in the 21st century, victory on land, sea or in the air will go to the power that controls space." and that "if we desire peace on Earth, we need to prepare for war in space."[4]

He and his colleague at Martin Marietta, David Baker, were the driving force behind Mars Direct, a proposal in a 1990 research paper intended to produce significant reductions in the cost and complexity of such a mission. The key idea was to use the Martian atmosphere to produce oxygen, water, and rocket propellant for the surface stay and return journey. A modified version of the plan was subsequently adopted by NASA as their "design reference mission". He questions the delay and cost-to-benefit ratio of first establishing a base or outpost on an asteroid or another Apollo program-like return to the Moon, as neither would be able to provide all of its own oxygen, water, or energy; these resources are producible on Mars, and he expects people would be there thereafter.[5]

Disappointed with the lack of interest from government in Mars exploration and after the success of his book The Case for Mars (1996), as well as leadership experience at the National Space Society, Zubrin established the Mars Society in 1998. This is an international organization advocating a human mission to Mars as a goal, by private funding if possible.

Early life and education[edit]

Zubrin was born in New York City's Brooklyn borough[2] on April 9, 1952. His father was descended from Russian Jewish immigrants.[6]

Qualifications and professional career[edit]

Zubrin was awarded his first patent at age 20 in 1972 for Three Player Chess.

Zubrin holds a B.A. in Mathematics from the University of Rochester (1974); he was a science teacher for 7 years before becoming an engineer.[2] He earned a M.S. in Nuclear Engineering (1984), a M.S. in Aeronautics and Astronautics (1986), and a Ph.D. in Nuclear Engineering (1992) — all from the University of Washington.[7][circular reference][8] He has developed a number of concepts for space propulsion and exploration, and is the author of over 200 technical and non-technical papers and several books. He is also President of both the Mars Society and Pioneer Astronautics, a private company that does research and development on innovative aerospace technologies. Zubrin is the co-inventor on a U.S. design patent and a U.S. utility patent on a hybrid rocket/airplane, and on a U.S. utility patent on an oxygen supply system (see links below).

Zubrin's inventions include the nuclear salt-water rocket and co-inventor (with Dana Andrews) of the magnetic sail. Zubrin is fellow at Center for Security Policy.[9]

During his professional career, Zubrin was a member of Lockheed Martin's scenario development team charged with developing strategies for space exploration. He was also "a senior engineer with the Martin Marietta Astronautics company, working as one of its leaders in development of advanced concepts for interplanetary missions".[10] During his time at Martin Marietta, he drafted ideas for a potential single-stage-to-orbit spacecraft, and developed the Black Colt. However, he would eventually leave Martin Marietta to co-form Pioneer Rocketplane with Mitchell Burnside Clapp, an aerospace engineer from the US Air Force, due to a perceived lack of interest in reducing launch costs at larger aerospace firms.[11] In his book, Entering Space: Creating a Spacefaring Civilization, Zubrin would write about how both large aerospace firms, and the US Government, would fail to reduce the costs of spaceflight.

In 1998, Zubrin founded the Mars Society, and in the following years, was able to attract large amounts of public interest to potential human colonisation on Mars. The work of the Mars Society was successful enough as to encourage the US Government to not cut funding for several Mars rover missions. [citation needed]

Pioneer Astronautics[edit]

In 1996 Zubrin founded Pioneer Astronautics (formerly Pioneer Invention), a research and development company committed to developing innovative technologies to further space exploration and improve life on earth.[12] The company relied primarily on small business research contracts and tackled a large variety of space-relevant problems. [13]

On 13 July 2020 Voyager Space Holdings announced its acquisition of Pioneer Astronautics.[14]

Pioneer Energy[edit]

In 2008 Zubrin founded Pioneer Energy, a research and development firm headquartered in Lakewood, Colorado. The company's focus is to develop mobile Enhanced Oil Recovery (EOR) systems that can enable CO2-based EOR for both small and large oil producers in the United States. The company has also developed a number of new processes for manufacturing synthetic fuels.[15]

The ethics of terraforming[edit]

Dr. Zubrin is known as an advocate of a moderately anthropocentric position in the ethics of terraforming. Discussions of the ethics of terraforming often[citation needed] make reference to a series of public debates Zubrin has held with his friend Christopher McKay, who advocates a moderately biocentric position on the ethics of terraforming. For example, a written account of some of these debates is available in On to Mars: Colonizing a New World, as a joint article, "Do indigenous Martian bacteria have precedence over human exploration?" (pp. 177–182)



  • The Case for Mars: The Plan to Settle the Red Planet and Why We Must (1996) ISBN 978-0684835501
  • Islands in the Sky: Bold New Ideas for Colonizing Space (1996), co-edited with Stanley Schmidt. ISBN 0-471-13561-5
  • From Imagination to Reality: Mars Exploration Studies of the Journal of the British Interplanetary Society : Precursors and Early Piloted Exploration Missions (1997). ISBN 978-0877034261
  • From Imagination to Reality: Mars Exploration Studies of the Journal of the British Interplanetary Society : Base Building, Colonization and Terraformation (1997).ISBN 978-0877034285
  • Entering Space: Creating a Spacefaring Civilization (1999). ISBN 978-0874779752
  • Proceedings of the Founding Convention of the Mars Society (1999), co-edited with Maggie Zubrin. ISBN 978-0912183138
  • Mars On Earth: The Adventures of Space Pioneers in the High Arctic (2003). ISBN 978-1585423507
  • First Landing (2001). ISBN 978-0441008599
  • On to Mars: Colonizing a New World (2002 Apogee Books), co-edited with Frank Crossman. ISBN 978-1896522906
  • The Holy Land (2003). ISBN 978-0974144306
  • Benedict Arnold: A Drama of the American Revolution in Five Acts (2005). ISBN 978-0874779752
  • On to Mars 2: Exploring and Settling a New World (2005 Apogee Books), co-edited with Frank Crossman. ISBN 978-1894959308
  • Energy Victory: Winning the War on Terror by Breaking Free of Oil (2007). ISBN 1-59102-591-5
  • How to Live on Mars (2008). ISBN 978-0307450111
  • Merchants of Despair: Radical Environmentalists, Criminal Pseudo-Scientists, and the Fatal Cult of Antihumanism (2011). ISBN 978-1594035692
  • Mars Direct: Space Exploration, the Red Planet, and the Human Future (2013). ISBN 978-1101617861
  • The Case for Space: How the Revolution in Spaceflight Opens Up a Future of Limitless Possibility Prometheus Books (2019) ISBN 9781633885356
  • The Case for Nukes: How We Can Beat Global Warming and Create a Free, Open, and Magnificent Future (2023) ISBN 978-1736386064
  • (To be released 20 Feb, 2024) The New World on Mars: What We Can Create on the Red Planet (2024) ISBN 978-1635768800


  • 1991, Mars Direct: A Simple, Robust, and Cost Effective Architecture for the Space Exploration Initiative, AIAA Journal[16]
  • 2004, Getting Space Exploration Right, The New Atlantis[17]
  • 2006, An Energy Revolution, The American Enterprise[18]
  • 2007, The Hydrogen Hoax, The New Atlantis[19]
  • "Moving the Earth". Science Fact. Analog Science Fiction and Fact. 135 (7&8): 141–143. July–August 2015.


  1. ^ @robert_zubrin (April 9, 2019). "Today is my birthday. Hope gave me ..." (Tweet) – via Twitter.
  2. ^ a b c Armstrong, Ari (June 4, 2019). Robert Zubrin on the Case for Space. Self in Society #1. Archived from the original on December 11, 2021. Retrieved June 27, 2019 – via YouTube.
  3. ^ "Mckay". National Space Grant Foundation. Retrieved July 20, 2022.
  4. ^ "Op-Ed by Robert Zubrin: U.S. Space Supremacy Now Critical". Space News. Retrieved December 8, 2023.
  5. ^ Zubrin, Robert (April 21, 2005). "Getting Space Exploration Right". Space Daily (Press release). Archived from the original on March 15, 2012. Retrieved July 14, 2013.
  6. ^ "Charles Zubrin - American life". June 9, 2016. 342127. Archived from the original on July 18, 2022. Retrieved May 24, 2020.
  7. ^ "Robert Zubrin". NASA. Archived from the original on March 6, 2012. Retrieved July 14, 2013.
  8. ^ "Robert Zubrin". Pioneer Astronautics. Archived from the original on February 20, 2014. Retrieved July 14, 2013.
  9. ^ Zubrin, Robert (September 13, 2014). "Iran is 10 months away from the A-bomb". The Washington Times. Archived from the original on April 3, 2016. Retrieved March 21, 2016.
  10. ^ Zubrin, Robert (1996). The Case for Mars. Touchstone.
  11. ^ "Pathfinder - Pioneer Rocketplane". Archived from the original on August 24, 2021. Retrieved September 24, 2021.
  12. ^ "About Us". Pioneer Astronautics. Retrieved August 9, 2023.
  13. ^ "Pioneer Astronautics Research and Development Contract List". Pioneer Astronautics. Retrieved August 9, 2023.
  14. ^ "Voyager Space Holdings announces acquisition of Pioneer Astronautics". SpaceNews. July 13, 2020. Retrieved October 16, 2023.
  15. ^ "Aerospace engineer bets on space tech to cash in on gas flaring". September 16, 2014. Archived from the original on September 19, 2016. Retrieved September 18, 2016.
  16. ^ Zubrin, Robert; Baker, David; Gwynne, Owen (January 7, 1991). "Mars direct - A simple, robust, and cost effective architecture for the Space Exploration Initiative". 29th Aerospace Sciences Meeting. 29th Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics. doi:10.2514/6.1991-329. Archived from the original on October 1, 2021. Retrieved October 1, 2021.
  17. ^ Zubrin, Robert (March 25, 2006). "Getting space exploration right". The New Atlantis. Archived from the original on March 25, 2006. Retrieved September 13, 2021.
  18. ^ "An Energy Revolution". The American Enterprise (online ed.). October 29, 2006. Archived from the original on October 29, 2006. Retrieved September 13, 2021.
  19. ^ Burckhardt, Martin (2015). Score (Book) (in German). Knaus (published February 9, 2015). ISBN 978-3-641-15640-4. Retrieved July 30, 2023. {{cite book}}: |website= ignored (help)

External links[edit]