Sites
I've broken the links to those images whose status I'm unsure of.
Einstein in 1905???.
This was when he was a patent office clerk and discovering special relativity
Credit: ?; download site ?
This picture was obviously taken in the first decade of the 20th century and by U.S. copyright law is now out of copyright. According to the informative, but not authoritative, source WebMuseum, Paris copyright in all other jurisdictions would have expired if the holder died more than 70 years ago.