Photograph Presented BY SLATER FUNERAL Provider On New Year’s Working day, Pittsburgh lost a preservationist icon. Longtime preservationist and activist John DeSantis died Saturday at 69, according to his son Mark Moore, who reported his father died of mind cancer.  DeSantis was the creator and executive director of Pittsburgh’s Residence and Backyard garden Demonstrate, which he begun in the early 1980s. The celebration grew each and every yr, and promptly grew to become a neighborhood staple for the tens of countless numbers from the city and over and above who visited the David L. Lawrence Conference Centre. The show was the recently minted conference center’s very first tenant, and the…