Einstein, Albert - Typed Letter 1935

German-born theoretical physicist (1879-1955), creator of the Theory of Relativity, one of the pillars of modern physics, and other achievements, and 1921 Nobel Prize winner. 

One page typed letter signed by him, dated in Princeton, New Jersey, on May 9th, 1935. Einstein apologizes about an appointment. Full translation:

 

Dear Mr. Wittenberg

Thank you very much for your kind invitation. On all of the days you specified, I was unfortunately otherwise obligated. When I'm in New York for a few days I'll try to watch your review.

Friendly greetings from (A. Einstein)

Page is 8.4 x 10.9 inches, has folds, very even age toning, in excellent condition.