The Most Famous Person You Would Never Recognize in a Photo

Think of the most famous people of the past 100 years:  Einstein, Churchill, Gandhi.  All of them, and hundreds more, are instantly recognizable from their photos:

So here is a question to ponder: who is the most famous person of the past century whom most people would never recognize from a photo? I have a nominee -- it's this guy:

Do you recognize him? Who is it? I'm being a little unfair here, as he became famous at a much younger age. Try this photo instead:

Time to guess: who are we talking about?

New Things in Analog

I've just had a couple of items accepted by Analog. The first is a nonfiction article that discusses the similarities and differences between "doing" theoretical physics and coming up with new ideas for science fiction. (I need to specify here that my cosmology research does not fall under the category of "science fiction"). And the second is the short story to which I alluded here. I can't tell you what it's about -- you'll just have to wait and see.