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␈↓ ↓H␈↓␈↓βS␈↓∧ Artificial Intelligence Laboratory, STANFORD UNIVERSITY, Stanford, California 94305

␈↓ ↓H␈↓∧Telephone 415 497-4430␈↓ 
⊃April 20, 1978 




␈↓ ↓H␈↓Jean Sammet
␈↓ ↓H␈↓IBM Corporation
␈↓ ↓H␈↓545 Technology Square
␈↓ ↓H␈↓Cambridge, MASS. 02139

␈↓ ↓H␈↓Dear Jean:

␈↓ ↓H␈↓        I␈αjust␈α
received␈αa␈α
brief␈αletter␈αfrom␈α
Stoyan␈αwith␈α
a␈αcopy␈α
of␈αhis␈αbook␈α
on␈αLISP.␈α
 He␈αasked␈αme␈α
to
␈↓ ↓H␈↓tell␈αyou␈α
that␈αhe␈α
can't␈αcome.␈α
 There␈αwas␈α
something␈αabout␈α
a␈αtelegram␈α
being␈αreferred␈α
to␈αin␈α
a␈αletter,
␈↓ ↓H␈↓and I suppose it was part of the excuse the authorities gave him.

␈↓ ↓H␈↓        As␈α∞I␈α∞said␈α∞in␈α∞the␈α∞beginning,␈α∞inviting␈α∞Stoyan␈α∞was␈α∞a␈α∞long␈α∞shot,␈α∞but␈α∞still␈α∞think␈α∞it␈α∂was␈α∞worth
␈↓ ↓H␈↓doing.

␈↓ ↓H␈↓        The␈α
book␈αon␈α
LISP␈α
omits␈αhis␈α
chapters␈α
on␈αhistory.␈α
 The␈α
consideration,␈α␈↓↓"Why␈α
make␈α
so␈αmuch␈α
of
␈↓ ↓H␈↓↓what the imperialists do?"␈↓ that he mentioned in Leningrad was evidently decisive.


␈↓ ↓H␈↓Sincerely,



␈↓ ↓H␈↓John McCarthy
␈↓ ↓H␈↓Director
␈↓ ↓H␈↓Professor of Computer Science