Trozzolo Communications Group, an advertising and PR firm, is headquartered at 811 Wyandotte St. - four blocks due south of the site where a dynamite blast leveled two River Quay nightclubs in the wee hours of March 27, 1977. The Quay, pronounced "key," was officially launched not quite five years earlier - on June 30, 1972 - by Marion Trozzolo, a professor, inventor and entrepreneur who died of cancer exactly 20 years later - on June 30, 1992. "He never met an old building he didn't love,"...