Information on Gregorius Nyssenus is limited to his status as a Greek author whose works were printed starting in the 15th century.
Gregorius Nyssenus is identified within the context of classical scholarship, specifically concerning the 'editio princeps,' which signifies the first printed edition of a work previously circulated only in handwritten manuscripts.
The provided text focuses on categorizing Greek literature works based on their initial printed publication centuries. While Gregorius Nyssenus is mentioned as a Greek author, the extract does not detail his specific contributions, philosophical ideas, or the content of his writings. It serves as a structural placeholder for listing printed editions of classical Greek texts, with a timeline indicating the 15th century as the starting point for such publications. Further details about Gregorius Nyssenus's life, works, or intellectual legacy are not present in this excerpt.