Federico Grisogono, Federico Crisogono, Latinized as Federicus De Chrysogonis (1472 – 2 February 1538) was a renaissance Dalmatian astrologer, physician, geometer, and humanistic philosopher. Grisogono was born into aristocracy, the son of Antonio and Catarina Giorgi of

Zadar Zadar ( , ; historically known as Zara (from Venetian and Italian: ); see also other names), is the oldest continuously inhabited Croatian city. It is situated on the Adriatic Sea, at the northwestern part of Ravni Kotari region. Zadar serv ...

(Zara). Orphaned at the age of five but with a large inheritance, he was raised by an uncle Franjo. He studied in Italy and France, attended classes in philosophy and medicine at the

University of Padua The University of Padua ( it, Università degli Studi di Padova, UNIPD) is an Italian university located in the city of Padua, region of Veneto, northern Italy. The University of Padua was founded in 1222 by a group of students and teachers from B ...

where a maternal cousin, Jeronim Civalleli, was rector. In 1499, he served as a

condottiero ''Condottieri'' (; singular ''condottiero'' or ''condottiere'') were Italian captains in command of mercenary companies during the Middle Ages and of multinational armies during the early modern period. They notably served popes and other Europe ...

and fought in Lombardy. He returned to his studies and received a medical doctorate around 1506–7. He then taught astrology and mathematics at Padua before returning to Zadar. He examined the patterns of tides and noting that it was due to the sun and the moon came up with an approach to predicting the tides. He published the ''Speculum astronomicum'' (1507) as well as a book on humanistic philosophy ''De modo collegiandi...de humana felicitate'' (1528).

References

External links

Brief biography
* ''Speculum astronomicum'' (1507
transcription

De modo collegiandi, pronosticandi, et curandi febres, nec non de humana felicitate ac denique de fluxu maris lucubrationes
(1528) {{DEFAULTSORT:Grisogono, Federico 1472 births 1538 deaths Dalmatian Italians Astrologers