June 26, 1972

Dennie Flmagaa, Editor
Scientific American
415 Lkdlsou Aveuue
HewYork, HewTo*   10017

DurXr.Flaxugae:

   Zhauk yeu for your tind inrftatlon to write a smell book
en the genetic co&m.

   Bor the lut f&we years I have been working on a differeut
kiadofcoding problem-smmely,howneurone are assembled into
fra3ctiomal circuits duriq the development of the aervotm system
end bar aeurotm eucode eed decode information. So at the present
time I. a not intereatsd in wrftlng a book on the genetic code
but &bt in a yllrr or so consider writing an article for the
Scluttiflc American on neurel coding.

Sincerely yours,

H&hall Hlrenberg       I
I&oratory of Biochemical Gemtics
lktlomal lieart and Lung Institute