Vhow- be From: 6 Carlton House Terrace,London,SWIY 5AG Telephone 01-839 5561 ext.215 Telex 917876 FM/MGPS/NHR/DAS 26 April 1979 Dear Professor Lederberg You will have received separately my telex informing you of your election as a Foreign Member of the Royal Society. I would now like to express my personal pleasure in conveying this news to you. It is the wish of the President and the Officers that you be cordially invited to be the Society’s guest at the next Anniversary Dinner of the Society in the evening of Friday, 30 November 1979. If you are contemplating a visit to this country in the Autumn I hope it may be possible for you to arrange it to coincide with this date. The President would like to extend this invitation to your wife as well, or one other person who may be accompanying you on your visit. The Anniversary Meeting at 2.30 p.m., also on 30 November would be an excellent opportunity for your formal admission to the Society. If you are unable to come to this country at the time of the Anniversary Meeting, I would appreciate it if, before your next visit to London, you would be kind enough to make contact with the Executive Secretary so that arrangements could be made for your formal admission to the Society. In this connexion I enclose a card giving dates of the Ordinary Meetings of the Society. A Diploma of Foreign Membership will be sent to you indue course and meanwhile I am enclosing a copy of the ‘Notes for Newly Elected Fellows’. I should be grateful if you would be good enough to complete sections B, C and D of the separate form and return it, by airmail, in the enclosed envelope. For your guidance in completing section C, I am enclosing an extract from the Year Book for 1979 which will indicate the normal form of entry. Also enclosed are some notes on the facilities available to Fellows and Foreign Members of the Society. The Year Book for 1979, the booklet of your personal record and the Royal Society’s Instructions to Authors will be sent to you separately by surface mail. Bul Prs1H wigl, Yours sincerely, Foreign Secretary and Vice-President, R.S. Professor J. Lederberg, For.Mem.R.S. accept: Tay? cae Hfag¢