“MEMO FROM TO: TX
‘ Er. Calsoyas

J. LEDERBERG ‘ RC

GENETICS DEPARTMENT RO

STANFORD UNIVERSITY
STANFORD, CALIFORNIA

Dear Dr, Calsoyas

I was in Stockhelm last week when yeur
letters arrived. Enclosed is the Y¢fy article
yeu requested. I talked briefly to Jr. Mining
in Stockhelm, by the way, and he is in ful!
agreement with my comment.

TY have alse sent a cepy of your request to
Urs. Sagan and Tamplin. They are in the process
ef getting their manuscripts through seme
widely available journals; and I must leave it
to them whether they can furnish coptes prier
te publication,

In my own opinien, Dr. Sternglass's esti-
mates are grossly exaggerated. ilowever, T
weuld prefer that the natural background
(0.1 r per year) be used as a standard cf
measuring safety, tather than the 1 r pe:
year calculated as the "doubling dose! i¢)

genetic effect. However, this is at th: moment’
a purely academic question, for populétien exe
posures remain quite small by comparison with
the figure of 0,l r.

I have ne information on the distribetian
ef radio-iodine or ether products about which

seme cencern has preperly been expresse:4

Sincerely yours,

J Ga.

i