// todo need optimize like in event.jsp. Add indexing or not indexing this page. Helps design the Hale Telescope on Mount Palomar in California (jan 22, 1941 – apr 30, 1948) (Timeline)
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Helps design the Hale Telescope on Mount Palomar in California (jan 22, 1941 – apr 30, 1948)

Added to timeline:

Henrietta Leavitt

ByShawn Cunning
2 Oct 2018

Date:

jan 22, 1941
apr 30, 1948
~ 7 years and 3 months
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