Harold Geller

Associate Professor Director of College of Science Observatory


216 Research Hall

Phone Number

(703) 993-1276


Harold Geller is the Observatory Director and Associate Professor in the Department of Physics and Astronomy at George Mason University. He most recently co-authored a textbook on renewable energy. His current interests include energy and the environment; the search for life in the universe; and the exploration of space. He earned his undergraduate degree from Albany; and, his master and doctorate degrees at George Mason University. Between 2011 and 2015 he served as co-Investigator for the Virginia Initiative for Science Teaching and Achievement (VISTA). Since 2012 he serves as a Solar System Ambassador for NASA JPL. Between 2009 and 2010 he was awarded six Telly Awards for online educational videos he produced. In 2008 he won the GMU Faculty Member of the Year Award. In 2018 he was awarded a Albert Nelson Marquis Lifetime Achievement Award. From 2006 to 2008 he was the Associate Chair of the Department of Physics and Astronomy. Other past positions include President of the Potomac Geophysical Society; tour guide and lecturer with NASA Goddard Space Flight Center; producer of educational multimedia CD-ROMs; faculty at Northern Virginia Community College; doctoral fellow of the State Council of Higher Education for Virginia; and, lecturer/operator at the Einstein Planetarium in the Smithsonian Institution's National Air and Space Museum in Washington, DC. He has authored/edited seven books; and published over 100 papers in education, astrobiology, astrophysics, and biochemistry. He has been interviewed or quoted by USA Today, Washington Post, Huffington Post, The Arts and Entertainment Magazine, Astrocast TV, WTOP News Radio, News Channel 8, and The Skeptic.


Recent Grants as PI

  • Arlington Public Schools: Assessment of Arlington Planetarium; 2009.

  • Trends and Findings of Public Opinion Data Regarding Space Exploration, 2009.

Recent Grants as CO-I

  • Virginia Initiative for Science Teaching and Achievement (VISTA), Virginia Department of Education, 2011-2015.

  • Virginia Earth Science Collaborative; Mathematics and Science Partnership, No Child Left Behind Act of 2001, Title II, Part B, Virginia Department of Education (Subaward via Virginia Math and Science Center); 2005-2007.

  • Stars and Splash; No Child Left Behind Act of 2001, Title II, Part A, State Council of Higher Education for Virginia; 2007-2008.

  • Science Explorers; Mathematics and Science Partnership, No Child Left Behind Act of 2001, Title II, Part B, Virginia Department of Education; 2007-2008.

Recent Honors and Awards

2018 Albert Nelson Marquis Lifetime Achievement Award

2018 Certificate of Appreciation for Contributions to the 2017 Total Solar Eclipse, NASA Science Mission Directorate

2016 Midwood High School Most Accomplished Alumnus, Physical Sciences

2015 Certificate of Appreciation, University of Maryland Observatory, University of Maryland, College Park

2015 Certificate of Appreciation, Thomas Jefferson High School, Mentorship Program

Sample Publications

Ehrlich, Robert and Harold A. Geller, 2018. Renewable Energy, Second Edition, A First Course.  CRC Press: Boca Raton, FL. ISBN 978-1-4987-3695-4.

Geller, Harold A. 2017. The Geller Equation: On the Probability of Successful Sexual Relations with Extraterrestrials, ResearchGate, DOI: 10.13140/RG.2.2.28639.36009.

Geller, Harold A. 2016. Do Students Who Complete Examinations Sooner Do Better or Worse than Those Who Take Longer to Complete the Exam? Journal of Virginia Science Education, 10(2):55-60.

Geller, Harold A. [Editor] 2015.  Multigenerational Starship Design Considerations: A Problem Based Learning Laboratory Experience.  Lulu Press: Raleigh, NC. ISBN 978-1-

Geller, Harold A. and Michael E. Summers, 2015.  A Pluto Story – As New Horizons Approaches.  Lulu Press: Raleigh, NC. ISBN 978-1-329-03384-9.

Geller, H., 2015.  VISTA Science Education Faculty Academy: Vexations and Ventures of Standardized Testing, Journal of Virginia Science Education, 10(1):64-69.

Geller, Harold A. with illustrations by Geoff Elkins, 2014.  All the Secrets of the Universe in Large Print.  Lulu Press: Raleigh, NC. ISBN 978-1-304-80866-0.

Geller, Harold A., 2013.  Harmful ETI Hypothesis Denied: Visiting ETIs Likely Altruists.  In Extraterrestrial Altruism: Evolution and Ethics in the Cosmos edited by Doug Vakoch. pp. 65-77.Berlin, Germany: Springer-Verlag.

Geller, Harold A., 2013.  All the Secrets of the Solar System in Large Print.  Lulu Press: Raleigh, NC. ISBN 978-1-304-34530-1.

Geller, Harold A. [Editor] 2013.  A Cancer Story: Along the Road to Death by Metastasized Malignant Melanoma.  Lulu Press: Raleigh, NC. ISBN 978-1-300-57229-9.

Geller, H., 2012.  Astrobiology – The Integrated Science Curriculum.  AV Akademikerverlag:  Saarbrucken, Germany. ISBN: 978-3-639-39828-1. 2nd edition.  Available on Amazon.com.

Geller, H.A. and Frazier, W.M., 2010.  Assessing Planetarium Programs for Content and Pedagogy. Planetarian, Journal of the International Planetarium Society. 39(2):9-11,25.

Geller, H., J. Ertlschweiger, S. Conger and A. Ryberg, 1997.  A Prototype Metadata Database for Online Analytical Processing of Environmental DataProceedings of the Ninth International Conference on Scientific and Statistical Database Management, p. 92-95. Los Alamitos, CA: IEEE Computer Society.

Geldzahler, B. J. and H. A. Geller, 1994.  Search for Gamma Ray Emission Lines from SS433 II. 1980-1989The Astrophysical Journal, 420: 10 January, p. 655-660.

Geller, H. A., E. Norris, and A. Warnock, 1991.  Preliminary Results of Investigations into the use of Artificial Neural Networks for Discriminating Gas Chromatograph Mass Spectra of Remote SamplesProceedings of the Sixth Goddard Conference on Space Applications of Artificial Intelligence, NASA Conference Publication 3110, p. 307-316.

Silverstein, E. and H. A. Geller, 1974.  Studies on the Nature of Non-Specific Staining in Nitro-blue Tetrazolium Detection of Dehydrogenases in Polyacrylamide Gel (Disc) Electrophoresis.  Journal of Chromatography, 101, 327-337.


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