On July 25th, the National Stereoscopic Association will host a screening of Westermann as part of its annual 3D Convention in Wichita, KS. With 1,000+ members, the National Stereoscopic Association is a non-profit organization founded in 1974, whose goals are to promote the study, collection and use of stereo photography. 3D-Con is an annual gathering of stereoscopic photographers, filmmakers, artists, historians and collectors. Westermann producer and co-writer Harrison Sherrod is one of four guest speakers at the conference.