Confidential In accordance with my promise I am informing you in advance of the formal notification that you have been appointed "Associate Member" and your total salary fixed at $6,000 per annum. It is hoped that you will continue, for the present, supervision of Mr. Baker's work. I wish to congratulate you sincerely[?] on this promotion and on the excellent work you have been doing to win it. Moreover, I wish to add that you have been [. . .] leave of absence, with full salary, from March 1, 1924 to September 1st, 1924. This latter date can be extended [END PAGE ONE] [BEGIN PAGE TWO] until October 1st if necessary in order to carry out specific plans. Yours sincerely Simon Flexner. Dear Heidelberger,