Malling addresas Genetics Bldg.

December 8, 1957

My dear Chargaffs

I underatand you have an article in a recant issue of Nature that
deals with protoplasts as source and recipient of mse dna, This issue
does not seem to have arrived here yet.

Could you favor me with an advance copy?
hea yor,
Thee y :

Oey 4 fae Qe

» Joshua Lederberg