About Gerard Kuiper
Gerard Peter Kuiper ( KY-pər; born Gerrit Pieter Kuiper, Dutch:; 7 December 1905 – 23 December 1973) was a Dutch astronomer, planetary scientist, selenographer, author and professor. The Kuiper belt is named after him. Kuiper is considered by many to be the father of modern planetary science.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.