Spirituality was very-popular in the 1940's. Maybe he seeks communion with the god-of-chess?
Greatest Chess Photos

That would be correct. The gentleman on the left is probably equally well known (or unknown, depending on the observer).

I know everyone is dying for the answer . . .

The photograph above that one is none other than Reuben Fine giving a ten-board blindfold simul in 1944.

Flohr on the right.
Nope. This man was a Soviet Champion who want everyone to think and play like a grandmaster.
#1023 - dude on the left giving a blindfold simul?