Which Happened First?

János Bolyai

János Bolyai
Image: Halmágyi Zsolt · CC BY-SA 4.0 · source

János Bolyai or Johann Bolyai, was a Hungarian mathematician who developed absolute geometry—a geometry that includes both Euclidean geometry and hyperbolic geometry.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

Timeline

  1. Antoine-Jérôme BalardSeptember 30, 1802 – March 30, 1876
  2. Germain Henri HessJuly 26, 1802 – November 30, 1850
  3. Heinrich Gustav MagnusMay 2, 1802 – April 4, 1870
  4. Hermann GoldschmidtJune 17, 1802 – August 30, 1866
  5. János Bolyai (this page)December 15, 1802 – January 27, 1860
  6. Niels Henrik AbelAugust 5, 1802 – April 6, 1829

Related

Play a round with Science · 19th century
János Bolyai (December 15, 1802 – January 27, 1860) · Which Happened First?