Complex sentence: A philosopher by training, he holds a Ph.D. from the University of Toronto, taught college from 1980-1986, was a gag writer for the comic strip "Inside Woody Allen" from 1976-1983.
Split into simpler sentences: A philosopher by training, he holds a Ph.D. from the University of Toronto and taught college from 1980-1986. He was a gag writer for the comic strip "Inside Woody Allen" from 1976-1983.