THE UNIVERSITY OF BRITISH COLUMBIA VANCOUVER 8, CANADA DEPARTMENT OE GEOLOGY March 1, 1965.

t , >. xjJ * -V \ BUTLER COUNTY C o u rt House H a m il t o n .

ADD RESS i department or pediatrics CINCINNATI GENERAL HOSPITAL CINCINNATI 29.

IN D U S T R IA L H Y G IE N E FO U N D A TIO N O F A M ER IC A , IN C.

n)1 *1 {l i % ti July 17, 1960 PERSONAL AND CONFIDENTIAL Robert T.

S ljje Jetar jjfo r k S i m * # TIMES SQUARE NEW YORK NY 10036 TEL: 556-1738 MEDICAL DEPARTMENT November 11, 1964.

, / ``JileAi% .\ 7 &/fJ V January 12, 1962 (T'C C R.

fU HS5 June 10, 1965 Mr.

Office of the President DUANE t .

C E N T KR FOR T H F BIOLOGY OF NATURAL SYSTEMS WASHINGTON UNIVERSITY ST.

gJCe S S January 23, 1963 R.

June 24, 1966 R.

June 13, 1969 Mr.

Jo h n P.

ESSO RESEARCH AND ENGINEERING COMPANY_______ MEDICAL RESEARCH DIVISION P.