The Buffalo Bill Museum in LeClaire, Iowa, has many treasures, but none are more valuable than its long-time executive director, Bob Schiffke. For Bob, the museum has been a large part of his life since he retired from teaching, first answering the call for volunteers that he saw in the local newsletter, “Bits & Pieces,” asking for help to clean the Lone Star, the last remaining intact wooden-hulled steamship in the United States. The ship operated on the Mississippi River…