I'm looking for busts of famous scientists of the past. Faraday, Einstein, ...
Ask at a local museum, there are probably specialized providers for these kinds of things. I don't think they would be very cheap, though.
Try that with "faraday busts", "darwin busts", ...
Here you go:
http://lmddgtfy.net/?q=Einstein+busts (duckduckgo > google :P)
Separate names with a comma.