Mathematical Treasure: Johannes Schöner's Opera Mathematica

Johannis Schoneri (aka Johannes Schöner, 1477–1547) was a German priest, astronomer and mathematician. He was also a respected maker of mathematical instruments known especially for his globes. His collected works in mathematics were published in 1561.

Schoneri is shown in a print from Jean-Jacques Boissard's Bibliotheca chalcographica (originally published between 1628 and 1632), available from Wikimedia Commons.

The image of the title page is presented courtesy of the John Carter Brown Library, Brown University. The full volume may be read here.

Index to Mathematical Treasures