Robertus Anglicus

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This article is not about Robert of Chester, Robert of Retines, Robert Kilwardby, nor a bishop of Olomouc, all of whom may also be known as Robertus Anglicus

Robertus Anglicus (Robert the Englishman) was an English astronomer of the thirteenth century. He taught at the University of Montpellier, and possibly also at Paris.[1] He is known as the author of a 1271 commentary on the De Sphera Mundi of Johannes de Sacrobosco. It includes a significant reference to the state of the art in the technology of clockwork.[2]