Stopping in for a moment

I’m currently dealing with an excess of reality, and I will probably continue to be scarce here. While I’m away, you can listen to about 30 hours of music for piano and orchestra for 10¢ per hour, courtesy of, here, here and here. There’s ragtime here, if you’d prefer that. (The last includes some Louis Moreau Gottschalk, for no obvious reason.)


Which famous historical figure is this actor portraying?


Hint: here’s a contemporary representation of him. He’s the one seated in the middle.


Who, indeed?


The answer is here.