Family Father
Georg Iserin
Source: Wikidata population candidate Q93588 · wikidata
SACRED LEGACY ARCHIVES™
1514-02-16 – 1574-12-04

Georg Joachim de Porris, also known as Rheticus (; 16 February 1514 – 4 December 1574), was a mathematician, astronomer, cartographer, navigational-instrument maker, medical practitioner, and teacher. He is perhaps best known for his trigonometric tables and as Nicolaus Copernicus's sole pupil. He facilitated the publication of his master's De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres).
mathematician, astronomer, cartographer, physician, university teacher, astrologer
University of Wittenberg; Charles University
Narratio Prima; Ephemeris or Almanack based on Coppernican principles; Opus Palatinum de triangulis
Leipzig University · University of Wittenberg
Ephemeris or Almanack based on Coppernican principles · Narratio Prima · Opus Palatinum de triangulis
Charles University · University of Wittenberg
Georg Iserin
Source: Wikidata population candidate Q93588 · wikidata
Narratio Prima
Source: Wikidata population candidate Q93588 · wikidata
Ephemeris or Almanack based on Coppernican principles
Source: Wikidata population candidate Q93588 · wikidata
Opus Palatinum de triangulis
Source: Wikidata population candidate Q93588 · wikidata
Family members can contribute records, photographs and stories or request stewardship of this legacy.
Sacred Legacy Memorial Concierge © 2026 All Rights Reserved