1921 in science

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List of years in science (table)

The year 1921 in science and technology involved some significant events, listed below.

Cartography[edit]

Chemistry[edit]

Exploration[edit]

Mathematics[edit]

Medicine[edit]

Physics[edit]

Psychology[edit]

Technology[edit]

Institutions[edit]

Awards[edit]

Births[edit]

Deaths[edit]

References[edit]

  1. ^ "The Collisions of Particles with Hydrogen Nuclei" (PDF). Philosophical Magazine. 42 (252): 923–940. 1921. 
  2. ^ Crilly, Tony (2007). 50 Mathematical Ideas You Really Need to Know. London: Quercus. p. 57. ISBN 978-1-84724-008-8. 
  3. ^ Weyl, Hermann (1935). "Emmy Noether". Scripta Mathematica. 3: 201–220. 
  4. ^ Carere, Suzanne (2007-07-25). "Age-old children's disease back in force". thestar.com. Toronto. Archived from the original on 2008-05-17. Retrieved 2012-01-26. 
  5. ^ Conis, Elena (2006-07-24). "Fortified foods took out rickets". Los Angeles Times. Retrieved 2012-01-26. 
  6. ^ McClean, Franklin C.; Budy, Ann M. (1963). "Vitamin A, Vitamin D, Cartilage, Bones, and Teeth". In Harris, Robert S. Vitamins and Hormones. 21. New York; London: Academic Press. pp. 51–52. 
  7. ^ United States Patent #1,394,450.
  8. ^ United States Patent #1,394,519.