Which Happened First?

Mary Proctor

Mary Proctor
Image: Lafayette Studio · Public domain · source

Mary Proctor was a British-American popularizer of astronomy. While not a professional astronomer, Proctor became well known for her books and articles written for the public – particularly her children's fiction.

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

Who was born first?

Timeline

  1. Allvar GullstrandJune 5, 1862 – July 28, 1930
  2. Carl Vilhelm Ludvig CharlierApril 1, 1862 – November 5, 1934
  3. David HilbertJanuary 23, 1862 – February 14, 1943
  4. Mary Proctor (this page)April 1, 1862 – September 11, 1957
  5. William Henry BraggJuly 2, 1862 – March 12, 1942
  6. William Wallace CampbellApril 11, 1862 – June 14, 1938

Related

Play a round with Science · 19th century
Mary Proctor (April 1, 1862 – September 11, 1957) · Which Happened First?