WH
William Kenneth Hartmann
(1939)
Astronomer
1 quotes in 9 categories
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William Kenneth Hartmann is an astronomer.
Quick Facts About William Kenneth Hartmann
- Born
- June 6, 1939
- Profession
- Astronomer
About William Kenneth Hartmann
[Wikidata] American astronomer... | [Wikipedia] William Kenneth Hartmann is an American planetary scientist, artist, author, and writer. He was the first to convince the scientific mainstream that the Earth had once been hit by a planet sized body (Theia), creating both the Moon and the Earth's 23.5° tilt.
Quotes by William Kenneth Hartmann
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