REPRODUCED AT THE NATIONAL ARCHIVES 22 1925Re pr in t from T h e N e w Y or k Times June , .

x ^ // r / p z cy --a r I^ ,, , _ Jp ISm H L REPRODUCED AT THE NATIONAL ARCHIVES 7 #/- 4 ***** W.

June 13, 1969 Mr.

August 24, 1951 Mr.

ILe&idl itoxlaa^ilipte^ A s s o ^ c t o U l d D u a CLINTON H.

M ED ICAL D EPARTM EN T K I E F F E R O A V l S .

M obil -g -- S o c o n y M obil O il C o m p a n y , Ine. 150 EAST 42 N D STREET.

ESTABLISHED 1935 - COPY (412) 6 87-2100 IN D U STR IAL HYGIENE FOUNDATION OF AMERICA.

COPY American Craftsmen's Cooperative Council,Ino. 485 Madison Ave.

Carl Th o m p s o n Senior Vice President H I L L .a n d K N O W L T O N , I n c .

THE UNIVERSITY OF BRITISH COLUMBIA VANCOUVER 8, CANADA DEPARTMENT OF GEOLOGY October 25, 1963.

June 12, 194?

. t )& & & .* * s July 17, 1969 PERSONAL AND CONFIDENTIAL RPorbeesridt eTn.t , P.I nddeuTsrterviiallleH,y gMi.eDn.e Foundation o f America, Zne. 6231 Centre Avenue Pittsburgh, Pa. 15232 Dear Bob: I have been seemingly negligent in replying so tardily to your letter of June 19, and now you have returned from your vacation, no doubt, to find no reply on your desk.

t l i n s o f an in MHKSflHSRS aSk ff gativn Into the possibiallnjurictta effect.

T h e C h i l d r e n s h o s p i t a l R e s e a r c h Fo u n d a t i o n CINCINNATI.