Heber Doust Curtis

Heber Doust Curtis was an American astronomer. He participated in 11 expeditions for the study of solar eclipses, and, as an advocate and theorist that additional galaxies existed outside of the Milky Way, was involved in the 1920 Shapley–Curtis Debate concerning the size and galactic structure of the universe.

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

Who was born first?

• Heber Doust Curtis and Charles Greeley Abbot were born the same year
• Heber Doust Curtis and Mikhail Tsvet were born the same year
• Heber Doust Curtis and Paul Langevin were born the same year
• Heber Doust Curtis and Willem de Sitter were born the same year
• Heber Doust Curtis and Sidónio Pais were born the same year

Timeline

1. Charles Greeley AbbotMay 31, 1872 – December 17, 1973
2. Heber Doust Curtis (this page)June 27, 1872 – January 9, 1942
3. Mikhail TsvetMay 14, 1872 – June 26, 1919
4. Paul LangevinJanuary 23, 1872 – December 19, 1946
5. Sidónio PaisMay 1, 1872 – December 14, 1918
6. Willem de SitterMay 6, 1872 – November 20, 1934

Related

• Isaac NewtonDecember 25, 1642 – March 20, 1727
• Johann Wolfgang von GoetheAugust 28, 1749 – March 22, 1832
• Immanuel KantApril 22, 1724 – February 12, 1804
• René DescartesMarch 31, 1596 – February 11, 1650
• Marie CurieNovember 7, 1867 – July 4, 1934
• Nicolaus CopernicusFebruary 19, 1473 – May 24, 1543
• Louis PasteurDecember 27, 1822 – September 28, 1895
• Gottfried Wilhelm LeibnizJune 21, 1646 – November 14, 1716