4th law of thermodynamics?

Important context is that this was his first wife, his childhood sweetheart who was already terminally ill with tuberculosis when they married. He was also working on the Manhattan Project at the time; while there were, no doubt, warm bodies around, some of them radioactive, this wasn’t either of his later two marriages.

Hi, do you have a reference for this? I think you may have misunderstood the timeline.

He just had difficulty finding a woman who met the standard set by Arline Feynman.

It doesn't make the story any less interesting, but she was just a girl he dated. He didn't marry her. Also he married three times, not four.