Jack Mitchell, former director of WPR and one of the authors participating in the Chippewa Valley Book Festival, is on Spectrum West from Wisconsin Public Radio’s Ideas Network on Thursday, October 6 at 10 a.m. on 88.3 WHWC-FM/ Menomonie-Eau Claire and 88.7 WRFW-FM/ River Falls. Spectrum West also features two University of Wisconsin-Eau Claire professors who discuss a future art/science collaboration. Two representatives from two different upcoming Wisconsin art tours, and a singer songwriter with upcoming performances in Hayward and Alma are on the show as well.