PURPRLIC HEALTH LABORATORY SERVICE (Directed by the Medical Research Council for the Ministry of Health) TRAfford Park 3412 Municipal Buildings, 143, Regent Road, Salford, 5. 28th. February 1953 Dear Professor Lederberg, Dr. Clive Spicer, who recently spent some time under you, has informed me that there might be a vacancy in your department for a praduate English student. Such a project interests me very much and I would, if it is still open, like to offer myself as a possible candidate. Would you be so kind as to let me have some further details about it ? Yours sincerely, - per bee e 2 ud 3 A. Bernstein Prof, J. Lederberg, Genetics Department, Wisconsin University, Nadison, 6, Wisconsin, U.S.A.