Guest wrote:

"I don't think it's a good idea to dismiss anyone's contribution to any work of art including collecting based on their character flaws or behavioral mannerisms."

This is quite true, but it's even truer when some of the supposed character flaws have been exaggerated or invented by people with an axe to grind. That's not to say that Sharp was a flawless character, but many of the claims made about him have little or no basis in fact.