John Norton (the author) is an amazing historian and philosopher of science. People might be interested in some of the other "goodies" on his website -- http:/

John Norton (the author) is an amazing historian and philosopher of science. People might be interested in some of the other "goodies" on his website -- http://www.pitt.edu/~jdnorton/Goodies/ http://www.pitt.edu/~jdnorton/Goodies/ -- and perhaps some of his papers as well.