Georg von Peuerbach, German mathematician and astronomer (d. 1461)
Georg von Peuerbach (also Purbach, Peurbach; Latin: Purbachius; born May 30, 1423 – April 8, 1461) was an Austrian astronomer, mathematician and instrument maker, best known for his streamlined presentation of Ptolemaic astronomy in the Theoricae Novae Planetarum.