Gerard Peter Kuiper (English: /ˈkaɪpər/; Dutch pronunciation: [ˈkœypər]; born Gerrit Pieter Kuiper; 7 December 1905 – 23 December 1973) was a Dutch astronomer, planetary scientist, selenographer, author and professor. He is the eponymous namesake of the Kuiper belt.
Kuiper is considered by many to be the father of modern planetary science.
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