Greek editio princeps of Galen's complete works in Greek, edited by the Paduan professor G. B. Oppizzoni [Opizo] with the help of John Clement , Edward Wotton, William Rose (ca. 1490-1525), and Thomas Lupset, all Engishmen and followers of Thomas Linacre, and the Saxon Georg Agricola of De re metallica fame. The work was published by Andrea Torresano, a printer who operated the Aldine press for Aldus's sons, who were then too young to run the press.

A Greek physician working in Rome, Galen's many writings in Greek dominated Byzantine, Arabic, medieval and even Renaissance medicine for over a millenium, being superseded in anatomy only with Vesalius, in physiology with Harvey, and in pathology with Boerhaave. The surviving writings of Galen also represent 25% of all that remains of ancient Greek literature.

Issuing this set in one year must have been an absolutely immense challenge for the publisher. The first volume was devoted to Galen's writings on physiology and anatomy, the second to pharmacology, the third to diagnostic, prognostic and "internistic" treatises, the fourth to therapy and hygiene, and the fifth to comments on Hippocratic texts.  For more information see HistoryofInformation.com at this link.

First edition of the Greek text of the works of Hippocrates, issued by Aldus Manutius of Venice one year after the first complete edition in Latin was issued in Rome. The Aldine text was edited by Aldus's brother-in-law Gian Francesco Torresani d'Asola, using a fifteenth-century manuscript now in Paris (BNF MS gr. 2141), with corrections provided by a second manuscript from the library of Cardinal Bessarion (Venice, Bibliotheca Marciana MS gr. 269). The Aldine Torresani edition corrected some errors in the Latin translation by Marco Fabio Calvo published the previous year, and also included a few works not in Calvo's edition.