October 14, 1959

Dr. Marianne Grunberg-Manago
Institut de Biologie Physico-Chiltiique
13, Rue Pierre Curie
Paris Ve, France

Dear Eiar ianne ,

Wt a fine review'.

I enjoyed reading it and I think the

organization and completeness are admirable,  A few minor correc-
tions are included on another sheet; most of them could be disre-
garded if you choose, except €or those concerning English grammar.
By the way, the English is quite excellent throughout. How I wish
I could do a tenth as well in French!

I've been back at work since the beginning of September and

I am fortunate to have a very fine woman to care for Amy,
marvelous little girl she is--a good spirit, fine sense of humor
and enthusiasm for everything about her.
i rre s i st ab 1 e.

What a

Dan and I find her quite

    At the lab I'm busy with many things.
manuscript and this time hope to get it completed.
and I are talking about publishing a note on the S-RNA-polynucleo-
tide phosphorylase data now that we are thoroughly convinced that
the residual RNA (dubbed S-RNA-p) has the same s.a. for picking up
active amino acid as does the starting material,
information on the base analysis and end groups so there is a fair
amount of material.
you the manuscript before sending it off.
a 5'-phosphomonoester end on Giulio's preps--which,  as far as I can
tell, is something new.  Even more intriguing is that it appears to
be all guan&e--that is the only 3' .5' diphosphate I've foundxpGp
although I've looked €or the others.  This is still new so time and
more experiments are needed.

I'm back at our old

Also, Giulio

Also we have

Since you'll be an author on this we'll send

I think I have identified

Best regards to Armand and your little girl and congratula-


                  Yours ,

tions on a fine manuscript.

Enclosure

Haxine Singer