1539 in science
The year 1539 in science and technology included many events, some of which are listed here.
Botany
- Hieronymus Bock publishes the first edition of his flora of Germany, the Kreutterbuch, adopting a new system of classification based on his observations.
Cartography
- Olaus Magnus publishes his Carta marina in Italy, the first detailed map of Scandinavia.
Exploration
- May 30 – Hernando de Soto lands at Tampa Bay, Florida.
- August–September – Francisco de Ulloa explores the Gulf of California.
Medicine
- Johannes Baptista Montanus is appointed professor of medicine at the University of Padua where he introduces clinical medicine, including bedside examination, into the curriculum, integrating theory and practice.
Births
- September/October – José de Acosta, naturalist exact date unknown – Olivier de Serres, soil scientist
Deaths
- August – Vannoccio Biringuccio, Italian metallurgist