Jan Hurych

In 2003 Jan Hurych located a document signed by Jacobus Sinapius: the signature did not match that in the Voynich Manuscript.
His article of 20th July, 2009, 'Voynich Now and then' on Wilfrid Voynich's article of 1921, can be found here .
Wikipedia page, created 2007 and still present October 2017, and partly wound down October 2018, here - there is a link to his other articles on the VM.
His website (which is undated) is here. (Checked October 2018) and a pdf here.
Category:Biographies
Category:Voynich Manuscript articles
Category:21st century