Dr. Harold A. Geller is Associate Professor Emeritus, Physics and Astronomy, George Mason University. He is an at-large Director on the Board of the GMU Alumni Association. He was the GMU Observatory Director from 2007 to 2020. He also served as co-Investigator for the Virginia Initiative for Science Teaching and Achievement (VISTA), the largest educational grant ever awarded Mason, from 2011 through 2015. Since 2012 he has served as a Solar System Ambassador for the NASA Jet Propulsion Laboratory. In 2009 and 2010 he shared in six Telly Awards for online educational videos in association with Astrocast.TV. In 2008 he received the Mason Faculty Member of the Year Award. From 2006 to 2008 he served as the Associate Chair of the Department of Physics and Astronomy. Other past achievements include President of the Potomac Geophysical Society; tour guide and lecturer with NASA Goddard Space Flight Center; producer of educational multimedia CDROMs; faculty at Northern Virginia Community College (NVCC); doctoral fellow of the State Council of Higher Education for Virginia (SCHEV); and, lecturer/operator at the Einstein Planetarium, National Air and Space Museum, Washington, DC. He has authored books, contributed to edited volumes, and has published over 100 papers in education, astrobiology, astrophysics, and biochemistry. Dr. Geller has been interviewed or quoted in the USA Today, Washington Post, Huffington Post, The Arts and Entertainment Magazine, Astrocast TV, WTOP News Radio, News Channel 8, and The Skeptic.