William Tyler Olcott

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William Tyler Olcott (1873–1936) was an American lawyer and amateur astronomer.

In 1909, after attending a lecture by Edward Charles Pickering, he developed an interest in observing variable stars. In 1911, he founded the American Association of Variable Star Observers (AAVSO).[1] W. Olcott also published several books to popularize the field of amateur astronomy.

Awards and honors[edit]

  • AAVSO Merit Award (1936)
  • The William Tyler Olcott Award of the AAVSO, initiated in 2000, is named for him.
  • The crater Olcott on the Moon is named after him.


  • W. T. Olcott, "In Starland With A Three-Inch Telescope", 1909, G.P. Putnam's & Sons.
  • W. T. Olcott, "Variable Star Work for the Amateur Astronomer", 1911, Popular Astronomy.
  • W. T. Olcott, "Star Lore of All Ages", 1911, G. P. Putnam's Sons, New York.
  • W. T. Olcott, "Sun Lore of All Ages: A Collection of Myths and Legends Concerning the Sun and Its Worship", 1914,
  • W. T. Olcott & Edmund W. Putnam, "A Field Book of the Stars", 1929, New York, Putnam's.

External links[edit]


  1. ^ Williams, Thomas R.; Saladyga, Michael (2011). Advancing Variable Star Astronomy - The Centennial History of the American Association of Variable Star Observers (1st ed.). Cambridge University Press. pp. 27,331. ISBN 978-0-521-51912-0.