Ole Christensen Rømer (25 September 1644 – 19 September 1710) was a Danish astronomer who in 1676 made the first quantitative measurements of the speed of light.

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Keywords: art, arts, astronomer, astronomy, copenhagen, danish, denmark, engraving, engravings, historical, history, horrebow, images, light, nielsen, ole, peder, physics, pictures, roemer, romer, science, speed, telescope