Petrus Apianus

Petrus Apianus (April 16, 1495 – April 21, 1557; also known as Peter Apian) was a German humanist, famous for his works in mathematics, astronomy and cartography.

Selected works

• Cosmographicus liber, Landshut 1524.
• Ein newe und wolgegründete underweisung aller Kauffmanns Rechnung in dreyen Büchern, mit schönen Regeln und fragstücken begriffen, Ingolstadt 1527. A handbook of commercial arithmetic; depicted in the painting The Ambassadors by Hans Holbein the Younger.
• Ein kurtzer bericht der Observation unnd urtels des jüngst erschinnen Cometen..., Ingolstadt 1532. On his comet observations.
• Quadrans Apiani astronomicus, Ingolstadt 1532. On sextants.
• Horoscopion Apiani..., Ingolstadt 1533. On sundials.
• Instrument Buch..., Ingolstadt 1533. A scientific book on astronomical instruments in German.
• Instrumentum primi mobilis, Nuremberg 1534. On trigonometry, contains sine tables.
• Astronomicum Caesareum, Ingolstadt 1540.