Magnus Celsius (16 January 1621 – 5 May 1679) was a Swedish astronomer and mathematician, decipherer of the staveless runes. His grandson was Anders Celsius.An Explanation of the Runic Characters of Helsingland, by Mr. Andrew Celsius, R. S. Suec. Secr. F. R. S. and Professor of Astronomy at Upsal
He was the father of Olof Celsius, Nils Celsius and Johan Celsius.
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