An undated letter from Hans A. Bethe to Robert E. Marshak about a paper that Marshak had sent to him. Bethe is giving advice to Robert E. Marshak about his writing and asking questions about some of the math in the paper.
Letter from Hans A. Bethe to Robert E. Marshak, dated July 25, 1939, and discussing a manuscript that Marshak had sent. Bethe is offering advice to Robert E. Marshak about his paper and publication.
Letter from Hans A. Bethe to Robert E. Marshak, dated December 12, 1940, and congratulating him on a prize that he had won. Bethe also asked several questions about the paper that had won the prize.
Letter from Hans A. Bethe to Robert E. Marshak, dated April 25, 1944, and responding to a previous letter from Marshak accepting a position under Bethe. The letter goes in to some specifics of the position. The position that the letter is reffering…
Letter from Hans A. Bethe to Robert E. Marshak, dated April 13, 1944, and responding to a previous letter from Marshak. Bethe is expressing happiness about something that Marshak had said in that previous letter.