/LMAR=0/XLINE=3/FONT#0=BASL30/FONT#1=BASI30/FONT#2=BASB30/FONT#10=BAXM30/FONT#11=ZERO30/FONT#3=STA200/FONT#4=NGB25
␈↓ ↓H␈↓␈↓βS␈↓∧ Artificial Intelligence Laboratory, STANFORD UNIVERSITY, Stanford, California 94305

␈↓ ↓H␈↓∧Telephone 415 497-4430␈↓ 	↑February 23, 1979 




␈↓ ↓H␈↓Professor Jack Minker
␈↓ ↓H␈↓Department of Computer Science
␈↓ ↓H␈↓University of Maryland
␈↓ ↓H␈↓Colllge Park, Maryland 20742

␈↓ ↓H␈↓Dear Dear Jack:

␈↓ ↓H␈↓        David␈αWilkins␈α
is␈αnow␈α≡nishing␈α
his␈αPhD␈αthesis␈α
entitled␈α␈↓↓Using␈αPatterns␈α
and␈αPlans␈α
to␈αSolve
␈↓ ↓H␈↓↓Problems␈αand␈αControl␈αSearch␈↓␈α
under␈αmy␈αdirection␈αwith␈α
much␈αadditional␈αadvice␈αfrom␈αHans␈α
Berliner
␈↓ ↓H␈↓of␈αCMU.␈α I␈αthink␈αthe␈αthesis␈αwill␈αrepresent␈αa␈αsubstantial␈αadvance␈αin␈αAI,␈αbecause␈αit␈αapplies␈αpattern
␈↓ ↓H␈↓matching␈α∂to␈α∂a␈α∂more␈α∞di≠cult␈α∂heuristic␈α∂problem␈α∂than␈α∂has␈α∞yet␈α∂been␈α∂treated,␈α∂namely␈α∂chess␈α∞tactical
␈↓ ↓H␈↓positions.␈α The␈αone␈αprevious␈αattempt␈α-␈αAlbert␈αL␈αZobrist␈αand␈αFrederick␈αR.␈αCarlson␈αJr.␈α  -␈α
was␈αnot
␈↓ ↓H␈↓very␈αsuccessful,␈αbecause␈αthe␈αnotion␈αof␈αpattern␈αit␈αused␈αwas␈αtoo␈αlimited.␈α Wilkins's␈αpatterns␈αmatch␈αa
␈↓ ↓H␈↓larger part of human thought processes and involve time as well as space.

␈↓ ↓H␈↓        Wilkins␈αhasn't␈αhad␈αteaching␈αexperience␈αbeyond␈αserving␈αas␈αa␈αTA␈αhere␈αand␈αat␈αIowa␈αState,␈αin
␈↓ ↓H␈↓each␈α∞case␈α∞giving␈α∞a␈α∞few␈α∞lectures.␈α∞ However,␈α∂he␈α∞is␈α∞well␈α∞organized␈α∞and␈α∞quick␈α∞in␈α∂conversation␈α∞and
␈↓ ↓H␈↓writes reasonably well, so I don't think he will have di≠culty in teaching.

␈↓ ↓H␈↓        He is pleasant and co-operative and strongly motivated to doing good research.


␈↓ ↓H␈↓Sincerely,



␈↓ ↓H␈↓John McCarthy
␈↓ ↓H␈↓Director
␈↓ ↓H␈↓Professor of Computer Science
␈↓ ↓H␈↓␈↓βS␈↓∧ Artificial Intelligence Laboratory, STANFORD UNIVERSITY, Stanford, California 94305

␈↓ ↓H␈↓∧Telephone 415 497-4430␈↓ 	↑February 23, 1979 




␈↓ ↓H␈↓Professor Jerry Feldman
␈↓ ↓H␈↓Department of Computer Science
␈↓ ↓H␈↓Mathematical Sciences Bulding
␈↓ ↓H␈↓The University of Rochester
␈↓ ↓H␈↓Rochester, New York 14627

␈↓ ↓H␈↓Dear Dear Jerry:

␈↓ ↓H␈↓        David␈αWilkins␈α
is␈αnow␈α≡nishing␈α
his␈αPhD␈αthesis␈α
entitled␈α␈↓↓Using␈αPatterns␈α
and␈αPlans␈α
to␈αSolve
␈↓ ↓H␈↓↓Problems␈αand␈αControl␈αSearch␈↓␈α
under␈αmy␈αdirection␈αwith␈α
much␈αadditional␈αadvice␈αfrom␈αHans␈α
Berliner
␈↓ ↓H␈↓of␈αCMU.␈α I␈αthink␈αthe␈αthesis␈αwill␈αrepresent␈αa␈αsubstantial␈αadvance␈αin␈αAI,␈αbecause␈αit␈αapplies␈αpattern
␈↓ ↓H␈↓matching␈α∂to␈α∂a␈α∂more␈α∞di≠cult␈α∂heuristic␈α∂problem␈α∂than␈α∂has␈α∞yet␈α∂been␈α∂treated,␈α∂namely␈α∂chess␈α∞tactical
␈↓ ↓H␈↓positions.␈α The␈αone␈αprevious␈αattempt␈α-␈αAlbert␈αL␈αZobrist␈αand␈αFrederick␈αR.␈αCarlson␈αJr.␈α  -␈α
was␈αnot
␈↓ ↓H␈↓very␈αsuccessful,␈αbecause␈αthe␈αnotion␈αof␈αpattern␈αit␈αused␈αwas␈αtoo␈αlimited.␈α Wilkins's␈αpatterns␈αmatch␈αa
␈↓ ↓H␈↓larger part of human thought processes and involve time as well as space.

␈↓ ↓H␈↓        Wilkins␈αhasn't␈αhad␈αteaching␈αexperience␈αbeyond␈αserving␈αas␈αa␈αTA␈αhere␈αand␈αat␈αIowa␈αState,␈αin
␈↓ ↓H␈↓each␈α∞case␈α∞giving␈α∞a␈α∞few␈α∞lectures.␈α∞ However,␈α∂he␈α∞is␈α∞well␈α∞organized␈α∞and␈α∞quick␈α∞in␈α∂conversation␈α∞and
␈↓ ↓H␈↓writes reasonably well, so I don't think he will have di≠culty in teaching.

␈↓ ↓H␈↓        He is pleasant and co-operative and strongly motivated to doing good research.


␈↓ ↓H␈↓Sincerely,



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