Mr. Joshua Lederberg, 1086 East 180th Street, New York, New York. Dear Mr. Lederberr: I would be glad to have you in ny oourse in 420. There is nothing I can do, however, about granting you credit for a Gourse in which you hrve not fulfilled the requirements as far as prerequisites are con- cerned. Only the Dean of the College can do that, and I suggest that you see him 4f you have a degree in mind. Respectfully sours, Frank H. Stodola Instructor in Chemistry FHS/mjo treme na ame ge