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

␈↓ ↓H␈↓∧Telephone 415 497-4430␈↓ 
-July 7, 1977 




␈↓ ↓H␈↓Professor K.W. Allen
␈↓ ↓H␈↓Nuclear Physics Laboratory
␈↓ ↓H␈↓Keble Road
␈↓ ↓H␈↓Oxford, OX1-3RH
␈↓ ↓H␈↓United Kingdom

␈↓ ↓H␈↓Dear Professor Allen:

␈↓ ↓H␈↓Arthur␈αThomas␈αcame␈αto␈αStanford␈αas␈αan␈αinterdisciplinary␈αgraduate␈αstudent␈αin␈αJuly␈α1971.␈α
 He␈αhas
␈↓ ↓H␈↓just␈α↔≡nished␈α⊗a␈α↔thesis␈α↔entitled␈α⊗␈↓↓Representation␈α↔and␈α↔Perception:␈α⊗An␈α↔Essay␈α↔in␈α⊗Computational
␈↓ ↓H␈↓↓Metaphysics␈↓␈α∩ and␈α∩is␈α⊃now␈α∩revising␈α∩it␈α∩in␈α⊃accordance␈α∩with␈α∩the␈α∩wishes␈α⊃of␈α∩his␈α∩committee.␈α∩ I␈α⊃am
␈↓ ↓H␈↓con≡dent that he will produce a version that will be satisfactory to all of us.

␈↓ ↓H␈↓Thomas's␈α
interests␈α
range␈α
over␈α∞psychology,␈α
neurophysiology,␈α
philosophy␈α
and␈α∞arti≡cial␈α
intelligence,
␈↓ ↓H␈↓and␈α∂he␈α∞has␈α∂a␈α∞wide␈α∂knowledge␈α∞of␈α∂all␈α∞of␈α∂these␈α∞areas.␈α∂ His␈α∞thesis␈α∂undertakes␈α∞the␈α∂di≠cult␈α∂task␈α∞of
␈↓ ↓H␈↓discussing the relationships of these ≡elds in a manner that does justice to all of them.

␈↓ ↓H␈↓I␈αthink␈αThomas␈αis␈αa␈αgood␈αcandidate␈αfor␈αthis␈αpost␈α-␈αassuming␈αthat␈αa␈αbroad␈αpoint␈αof␈αview␈αand␈αnot
␈↓ ↓H␈↓just␈α∀programming␈α∃ability␈α∀is␈α∀required.␈α∃ He␈α∀can␈α∃be␈α∀counted␈α∀on␈α∃to␈α∀originate␈α∃interesting␈α∀and
␈↓ ↓H␈↓ambitious projects.


␈↓ ↓H␈↓Sincerely,



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