Jerry
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First Barons' War (1215–1217)
John, King of England (John Lackland Plantaganet)
Magna Carta (1215)
The Commons
Planetary Commons
Outer Space
Astronomy
Astronomers
Owen Gingerich
Attachments
Owen Gingerich - Wikipedia
Parents
Astronomers
Harvard Faculty
Historians of Science
Children
The Book Nobody Read: Chasing the Revolutions of Nicolaus Copernicus (2004)