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Ole Rømer
Danish astronomer
Years: 1644 - 1710
Ole Christensen Rømer (25 September 1644, Århus – 19 September 1710, Copenhagen) is a Danish astronomer who in 1676 makes the first quantitative measurements of the speed of light.
In scientific literature alternative spellings such as "Roemer", "Römer", or "Romer" are common.
