http://en.wikipedia.org/wiki/Richard_Feynman

http://en.wikipedia.org/wiki/J._Robert_Oppenheimer

http://en.wikipedia.org/wiki/Paul_Erd%C5%91s

http://en.wikipedia.org/wiki/Barry_Marshall

zkz: Maybe you are boring.

(note: The wikipedia articles linked to don't generally tell you why the subject isn't dull. In some cases the stories may need to be heard from people who knew the scientist in question, as there doesn't seem to be any written record to link to.)