- Building the great cathedrals., for TelFrance, executive producers, Yves Jeanneau, Christine Le Goff ; senior producer and project director, Lisa Mirowitz ; senior series producer, Melanie Wallace ; executive producer, Howard Swartz ; managing director, Alan Ritsko ; senior executive producer, Paula S. Apsell ; a Providence Pictures production for Nova and WGBH Boston in association with TelFrance and ARTE France ; produced and directed by Scott Tiffany ; written and produced by Gary Glassman, Widescreen