- Ph.D. in Celestial Mechanics, Yale University, 1969.
- Former Chief, Celestial Mechanics Branch of the Nautical Almanac Office, U.S. Naval Observatory.
- Former consultant to the Jet Propulsion Laboratory and frequent contributor to scholarly technical journals and astronomy magazines.Author of Dark Matter, Missing Planets, and New Comets.
- Currently President of the MetaResearch Foundation in Washington, DC. http://metaresearch.org/
Last changed: Jul 14 2018 at 8:54 AM
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