#  Maude Ryder  

 



 **Maude Ryder** worked at the Harvard College Observatory from approximately 1929 until at least 1941. Very little information remains about her work, but she was cited as working with Harlow Shapley and [Helen Sawyer](/women-at-hco/helen-sawyer-hogg) in 1929 or 1930 on calculating distances related to the Large Magellanic Cloud, and a notebook was found from 1941 containing her calculations on variable stars in the Large Magellanic Cloud.[1](#fn1) Her name has also been found in plate notes from 1933.[2](#fn2)

 *Written by Elizabeth Coquillette, 2022*

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 **Citations:**

[1](#ref1)-Solon I. Bailey, The History and Work of Harvard Observatory, 1839 to 1927; an outline of the origin, development, and researches of the Astronomical observatory of Harvard College together with brief biographies of its leading members (New York: McGraw-Hill, 1931): 210.[↩](#ref1)  
[2](#ref2)- Lindsay Smith Zrull, “Women in Glass: Women at the Harvard Observatory during the Era of Astronomical Glass Plate Photography, 1875-1975,” Journal of the History of Astronomy, vol. 52, no. 2 (2021): 137.: Ryder, Maude. Variables in LMC, 32. 1941 \[1941phae.proj.2451R\] Cambridge, MA: John G. Wolbach Library, Harvard College Observatory. Project PHaEDRA. Harvard College Observatory observations, logs, instrument readings, and calculations. Transcript.[↩](#ref2)