Roy Sorensen
Roy Sorensen never told you that he is the son of Ted Sorensen, President Kennedy's speech writer and confidant. For it is not true. Roy Sorensen is a professor of philosophy at Washington University in St. Louis. He is the author of Seeing Dark Things</i>; A Brief History of the Paradox</i>; Thought Experiments</i>; and Blindspots.
Books by Roy Sorensen
A Cabinet of Philosophical Curiosities
Roy Sorensen
An entertaining miscellany of logical curiosities – from anecdotes and proofs to puzzles and puns – found outside the classroom.