Which Happened First?

Vesto Slipher

Vesto Slipher
Image: Clark Telescope in 1905. Left to right: Harry Hussey, Wrexie Leonard, V.M. Slipher, Percival Lowell, Carl Lampland, and John C. Duncan. · Public domain · source

Vesto Melvin Slipher was an American astronomer who performed the first measurements of radial velocities for galaxies. He was the first to discover that distant galaxies are redshifted, thus providing the first empirical basis for the expansion of the universe.

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

Who was born first?

Timeline

  1. Astrid CleveJanuary 22, 1875 – April 8, 1968
  2. Gilbert N. LewisOctober 23, 1875 – March 23, 1946
  3. Henri LebesgueJune 28, 1875 – July 26, 1941
  4. Luigi CarneraApril 14, 1875 – July 30, 1962
  5. Maurice de BroglieApril 27, 1875 – July 14, 1960
  6. Vesto Slipher (this page)November 11, 1875 – November 8, 1969

Related

Play a round with Science · 19th century
Vesto Slipher (November 11, 1875 – November 8, 1969) · Which Happened First?