Photo By Albert Wollerton I first visited Yellowstone National Park in the fall of 1969, four months after returning from Vietnam. I had a Beseler Topcon 35mm SLR film camera, but I wouldn’t have called myself a photographer. A friend and I backpacked into the mountains of Yellowstone’s Beartooth Pass, and while I came back with some nice images, I always wanted to go back to see more of the park. It was not until January 2017 that I made it back to Yellowstone, almost 50 years after my first visit. I was traveling in Yellowstone with five other members of the National Photography Enthusiasts Group (NPEG). The group’s members around the country hold and lead “Groupshoots” in areas where they’re...