The prettiness of London was the subject of this man's 1979 article "A Puzzle about Belief," though he is better known for two books, the second of which presents an "elementary exposition" of the views on "rules and private language" held by Wittgenstein.
This man's interpretation of a 20th-century philosopher is criticized in the second lecture of Stanley Cavell's Conditions Handsome and Unhandsome.  The book by this man which Cavell criticized considers a "paradox" about how courses of action are determined by rules. The prettiness of London was the subject of this man's 1979 article "A Puzzle about Belief," though he is better known for two books, the second of which presents an "elementary exposition" of the views on "rules and private language" held by Wittgenstein. At the age of 19 this man published "A Completeness Theorem in Modal Logic," and his most famous work is a collection of lectures in which he invented the idea of the rigid designator, which picks out the same referent in all possible worlds. FTP, name this American philosopher, best known for Naming and Necessity.
This man's interpretation of a 20th-century philosopher is criticized in the second lecture of Stanley Cavell's Conditions Handsome and Unhandsome.  
Saul Aaron Kripke