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

␈↓ ↓H␈↓∧Telephone 415 497-4430␈↓ 
≥July 25, 1979 




␈↓ ↓H␈↓Mr. John Thompson
␈↓ ↓H␈↓U.S. Liaison O≠ce
␈↓ ↓H␈↓U.S. Embassy
␈↓ ↓H␈↓Beijing
␈↓ ↓H␈↓Peoples Republic of China

␈↓ ↓H␈↓Dear Mr. Thompson:

␈↓ ↓H␈↓Enclosed␈α∂are␈α⊂copies␈α∂of␈α⊂correspondence␈α∂with␈α⊂Prof.␈α∂Tang␈α⊂Chih-sung␈α∂of␈α⊂the␈α∂Academia␈α⊂Sinica␈α∂in
␈↓ ↓H␈↓Beijing,␈α∞regarding␈α∞our␈α
invitation␈α∞to␈α∞him␈α
to␈α∞visit␈α∞the␈α
Computer␈α∞Science␈α∞Department␈α∞at␈α
Stanford
␈↓ ↓H␈↓University as a Visiting Scholar.

␈↓ ↓H␈↓In␈αaddition␈αto␈αhis␈αvisit␈αto␈αStanford,␈αProf.␈αTang␈αhas␈αbeen␈αinvited␈αto␈αa␈αmathematical␈αconference␈αin
␈↓ ↓H␈↓Colorado␈αon␈αAugust␈α3rd␈αwhich␈αhe␈αwould␈αlike␈αto␈αattend.␈α We␈αdo␈αnot␈αknow␈αif␈αit␈αis␈αfeasable,␈αbut␈αwe
␈↓ ↓H␈↓would␈αappreciate␈αit␈αif␈αhis␈αvisa␈αcould␈αbe␈αprocessed␈αas␈αquickly␈αas␈αpossible␈αso␈αthat␈αhe␈αmay␈αbe␈αable␈α
to
␈↓ ↓H␈↓attend the conference.

␈↓ ↓H␈↓Thank you for your help.


␈↓ ↓H␈↓Sincerely,



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