was Berlin socialite Ethel Michanowski, who was involved with Einstein in the late 1920s and early ’30s.
Wolff described their relationship as an affair, but she disclosed little else about Michanowski, other than that she was about 15 years younger than Einstein and was friendly with his stepdaughters.
It has been known for some time that there was a problem with Einstein’s discharge of the agreement, but the details weren’t clear.
The new correspondence shows he invested most of it in the U.
Ultimately, he paid her more money than he received with the prize, she added.