I've found the author of Voynich manuscript. He was Giovanni Aurispa.

[tavie]

In short, before you know it, you'd be organizing a public tribunal about dozens of people's behavior (people of all genders) and it would lead to great bitterness.

Apologies for not expressing this clearly.  I meant this as a hypothetical - that's why I said it was probably impossible to ascertain any such trend.  At no point did I mean I expected such a study to ever happen (quite the opposite), and I definitely did not mean I would seek to start it:  I made that post only because Ruby's reply made me realize my earlier musings could be interpreted as implying women are more likely to publish wrong solutions.