On this day in 1845 – October 1st – English astronomer William Henry Mahoney Christie was born in Woolwich, London.

He served as Chief Assistant to George Biddell Airy at the Royal Observatory, Greenwich from 1870 to 1881, replacing Airy in 1881 to become the eighth Astronomer Royal of England, and remaining in office until retiring from the post in 1910.

Mona Evans
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