Jerry
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John, King of England (John Lackland Plantaganet)
Magna Carta (1215)
The Commons
Planetary Commons
Outer Space
Astronomy
Astrophysics
Astrophysicists
Michael H. Hart
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Michael H. Hart
Parents
Astrophysicists
Children
The 100: A Ranking Of The Most Influential Persons In History (1978)
Understanding Human History (2007)