Not exactly. This image stirred up a minor Internet storm among "believers." [Cue the "X-Files" Theme...]
http://techielobang.com/blog/2010/04/18/time-traveler-caught-on-picture-in-1940s/
http://forgetomori.com/2010/fortean/time-traveler-caught-in-museum-photo/
Time traveller caught in photo from 1940?
The hipster looking dude in the shades holding a modern looking camera was NOT Photoshopped into this museum photograph, taken in 1940: