Now we can even ask stuff to nobel prizes:

http://www.reddit.com/r/IAmA/comments/1sq4vd/im_randy_schekman_corecipient_of_the_2013_nobel/

PS: The furthest I have gone is smile at a nobel prize and he smiled back! Yes I can be dorky, but I was kind of star struck and smile was the only thing I could do...