On this day in 1904 – December 13th – theoretical physicist Sir William Hunter McCrea was born in Dublin, Ireland.

McCrea made contributions to mathematics, physics and almost every area of astronomy, but is best known for his seminal work in modern relativistic cosmology. He was elected a Fellow of the Royal Society and the Royal Society of Edinburgh, the Royal Astronomical Society, the Royal Irish Academy, and was awarded many other honors.

Mona Evans
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