Document JJjL9EdJpXaoxkNOoL9Nee2Zr

*. Esso Resear c h and Eng ineer ing Company (FORMERLY STANDARD OIL DEVELOPMENT COMPANY) p. O. B o x 51. Li n d e n . N . J . MEDICAL RESEARCH DIVISION ROBERT E. ECKAROT, PH.D., M.O. DIRECTOR NATHAN V, HENORICKS, CK.S. HEAD INDUSTRIAL HYGIENIST HORACE W. GERARDE, PH D., MD. HEAD TOXICOLOGIST. BERTRAND E. BENMISOM. M.D.. CHIEF CLINICAL. RESEARCH PHYSICIAN March 22, 1955 Dr. R. A. Kehoe The Kett er in g Laboratory Un iversity of Cin cin n ati College of Medicine Eden Avenue Cin cin n ati 19, Ohio ' Dear Dr. Kehoe: In th e days of ity r esid en cy t r ain in g we had a fr equ en t ly used ex p r essio n which went somewhat as follow s: "He i s r e a lly push in g in th e golden t r ocar and givin g i t a t w ist ." The im p licat ion was t h at th e in se r t io n of th e t r o car would le ad t o r at h er immediate and d e fin it e r espon se. I t appears t o me, a ft e r r eadin g your l e t t e r o f March 10, 1955, t h at my l e t t e r t o you about Dr. Avy*s d at a on lead in th e P a r is atmosphere h as served as th e golden t r o car and h as obtain ed th e d esir ed respon se. I gr e at ly appr eciate your l e t t e r o f March 10, 1955 with i t s at t ach ments. I f e l t qu it e ce r t ain t h at t h is was a problem t h at your lab or at or y would have th e most complete d at a on and would have "also some very d e fin it e id e as and opin ion s as a r e su lt of th e d at a which you have co lle ct e d . I ju st wished t o have a d e fin it e statem en t from you on t h is problem fo r our r ecor d s. Sin cer ely you rs, R E E :i l k KE 0015377 R. E. ECKARDT, M. D.