Dominique-françois-jean arago (1786-1853), is best remembered as an astronomer for his accurate measurements of the planets and as the discoverer of the solar chromosphere. As a physicist, his prinicple work was in electromagnetism, and he is credited as the discoverer of magnetic rotation. Arago entered politics in 1830, and it was by his order that slavery was abolished in the french colonies. Date: 1832. Place of creation: France. Dimensions: Diam: 7.3 cm (2.8 in). Medium: bronze. Collection: Walters Art Museum.
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