334 FAIRHILL ROAD
WYNNEWOOD. PA.

4/29/63

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Dea Josh, i
Oce more many thanks for your kindness
and hospi-.ality and for Esther ing the cold

in order to make my stay as delightful as it was.

I had an uneventful trip back and have
spent the entire tim@trying to "fit in" the virus
hypothesis of cancer origin within the framework
of the transduction process. I may succeed ana
shall write soon to YopaPosine some queries corcere
ning more information double inf@rGation with
lambda and 434 ang possibility of having a defeo-
tive lambda“ with"gal plus” superinfecetd with 434
and then,after incuction at the HFT stage to yhebd
yield a complexpf"zgal plus-defective lambdaeand
lysérenic 434@"°I shall write about it some MOYE»

fx Tonorrow I shalftry to start the blued
cards mem®¥y filex if I shall find computers on f&t
campuse

With many thanks and best regards

a)
. Hilary t

(A¥sniudad