H8sDrumph-butlovesu: I adore this pic. Did you colour it?
dante50: I wonder – did his friends call him Mark? Or Samuel/Sam?
See_i_did: I don’t remember where I read / heard this but apparently him and Tesla were buddies and one of the things they’d do together was take turns x-raying their heads and such for laughs.
YoyoBronchus: It looks like there is a dark face over Mark Twain