14" by 26" framed. St Marys Lake Glacier Park Montana. Leonard Lopp (May 1, 1888 - December 3, 1974) was an American painter and muralist of the Pacific Northwest. He exhibited his work in the United States and Canada, and he did five murals in Kalispell, Montana. His paintings were collected by President Harry Truman and FBI director J. Edgar Hoover. Lopp became a painter and muralist of the Pacific Northwest. He did five murals in Kalispell, Montana: four in the Conrad National Bank, and one in the Seventh-Day Adventist Church. He was a member of the Montana Institute of the Arts, and he exhibited his work in the United States and Canada. His paintings often came in handmade frames. Lopp also restored paintings in the C. M. Russell Museum Complex in Great Falls, Montana.