Roderick Chisholm is an influential philosopher at Brown University. His work deals mainly with epistemology (theory of knowledge) and metaphysics. His chapter on "The Problem of the Criterion" deals with some fundamental issues and alternatives in epistemology.
These summaries and problems deal with Chapter 7 of Chisholm's Theory of Knowledge, second edition (Prentice Hall, Englewood Cliffs, NJ: 1977). These exercise materials are copyrighted (c) 1998 by Harry J. Gensler but may be distributed freely.