Danaaber2, 1950. Dr. Alex. Hollaender, Biology Division, Oak Ridge National Labs., Box P, Oak Ridge, Tenn, Dear Dr, Hollaender: After looking at my calendar, I find that it would be convenient for me to visit Gak Ridge in about six weska: I would prefer to fly down the apening of Thurs., 16 Feb., and to petfinm Friday afternoon. Are these dates satisfactory to you? Please inform me whether you will issue a transportation request, or whether I will be reimbursed for my own purchase of ticket. Yours sincerely, Joshua Lederberg Assistant Professor of Genetics