May 13, 2008 — Yesterday in Saranac Lake, the US Postal Service unveiled a new stamp honoring Dr. Edward Livingston Trudeau. Trudeau was a pioneering physician and tuberculosis researcher. But he was also invented the community of Saranac Lake, which remains the biggest community in the Adirondacks. Trudeau's sanatorium closed a half-century ago, but as Brian Mann reports, his work continues to echo through American culture.