Dirac and Feynman in One Box

Is it possible to translate this photo into physics?

On this jubject, I published my first paper with Marilyn Noz in 1973.

I then wrote many other papers on the this subject with the following results.
The issue is how to make quantum bound states consistent with special relativity. Do you know how the hydrogen atom with its electron orbit looks to a moving observer?
Click here a story.

I was at the spot in 2013 where
Dirac and Feynman met in 1962.

Paul A. M. Dirac

Richard P. Feynman

Eugene P. Wigner