May 10, 1957 Dr. Von Mises : The attached letter has been sent to the following: Mr. Henry C. Alexander 23 Wall Street New York 8, New York Mr. Perry Hall Morgan Stanley & Co. 2 Wall Street New York 5, N. Y. Mr. Edward L. Shea President Ethyl Corporation 100 Park Avenue New York 17, New York Secretary to Mr. Nymeyer