Lessie Smithgall thinks for a long moment, searching her brain for the right memory — not unlike carefully hunting through a jewelry box for just the right gold chain. When she pulls it out, it’s sparkling. “You know, it’s hard to look back on 105 years,” she says with a chuckle, sitting next to a crackling fireplace at her Gainesville home, where photos fill the hallway walls and artwork is hung high and low.