Photography by Beth Schneck Rhinebeck avoids the spotlight. Don’t confuse it with the modern art scene you’ll find in Beacon, or the old money attitude that permeates some of the Berkshires enclaves. Those wishing to see and be seen should just stay on the train as it cruises by on its way to Hudson—because Rhinebeck is where people come to disappear.  Perhaps that’s why, for a town of its size, so many celebrities come from or settle there. Emma Roberts, Rufus Wainwright and Ramona Singer—all known for their dynamism and larger-than-life screen and stage presences—were born there, yet no longer…