Bourdain died by suicide on June 8 of this year, leaving us — his restaurant kin, writers, travelers, chefs and eaters — to celebrate him, and to continue to celebrate other cultures, with our own meals, travels and words. It is in this celebratory vein that Gabe Branch, chef de cuisine at St. Burch Tavern, will collaborate with four writers from the University of Iowa International Writing Program for a Parts Unknown tribute dinner, part of the lineup for this year’s Witching Hour festival. […]