Dy a PUBLIC HEALTH LABORATORY server (Directed by the Medical Research Council for the Ministry of Health) STANDARDS LABORATORY FOR SEROLOGICAL REAGENTS, CENTRAL PUBLIC HEALTH LABORATORY, COLINDALE AVENUE, LONDON, N.W.9. July 3rd. (4st Dear Lederbergs, Telephone : COLINDALE 6041 & 4081. Telegrams : DEFENDER, HyDeE, LONDON. I thoughtthat you might like t e enclosed which gives a @irly true and amusing picture of scientific life in Engkand, as lived by some people, The character called Dibdin is very like Hinshelwood in some ways. If you dont like the book have no regrets about throwing it away,asI only paid afew pence for it at a library sale, Yours, Cr Nast — SAA anh, ,)