Possible Identification of a Handwriting Match for the Voynich Manuscript Author

[nablator]

In the Vatican archives, I identified an ownership note on the final page of a Canon of Medicine manuscript. This note states that a botany and medicine student from the University of Padua, Johannes of Androna (written at the time as Ionnes), purchased this book in 1401. It is therefore plausible that the Voynich manuscript was written by Johannes himself.

I found the Canon of Medicine manuscript and its ex libris.

Bought in 1401 indeed, 5th day of August. Not Johannes/Ionnes, not Androna but close enough.

Some letters are a good match, others don't really match the VMS marginalia: flat "a" on top, "r" is underscored, "e" is written in two separate parts, ...