Writer and Radio Personality Garrison Keillor Writer and radio personality Garrison Keillor. He is the host and writer of A Prairie Home Companion, broadcast from Minnesota and heard weekly on public radio stations nationwide. Keillor has just published two new books. One is a semi-autobiographical novel, called Lake Wobegon Summer 1956. (Viking) The other is in collaboration with photographer Richard Olsenius: In Search of Lake Wobegon (Viking Studio). It an effort to capture in words and pictures the people and places that inspired the fictional town of Lake Wobegon. Keillor is the author of 9 books and teaches at the University of Minnesota.