June 24, 1969

Dr. Martin Kaplan
World Health Organization
1211 Geneva 27, Switzerland

Dear Martin,

I had a chance to see Matt Meselson in Washington a few days
ago and he did bring me up to date on some more of the details of
the meeting on the BW document. I am very pleased with the progress
that seems finally to be occurring in this field.

He mentioned to me the excercise that had been made about sabotage
and some of the sound considerations that led to its being left out of
the final document. I believe, however, that many governments, and by
no means the least that of the United States, would profit from being
alerted by the thinking that went into that excercise. I would, therefore,
urge you to consider asking for a revision to be wade of the sabotage ae
study that would be suitable for being made available to government -
authorities interested in defending ewed supplies against attack fron @VMatep
domestic psychotics. This does not have to be related in any way to the
BW dssue as such. I myself have been urging the authorities in the public cope
health service here to pay closer attention to this problem and I am sure .
that they too would benefit from the kind of thinking that went into the od
preliminary sabotage study. ae

It unfertunately does not appear likely that I can visit Geneva at
any time this summer. wh

Sincerely yours,

Joshua Lederberg
Professor of Genetics

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