Charles Cowman was an American missionary and author known for his work in the early 20th century. He and his wife, Emma Cowman, served in Japan for many years, where they dedicated their lives to spreading Christianity and helping local communities. In addition to his missionary work, Cowman is best known for his devotional book, Streams in the Desert, which has inspired many readers with its spiritual insights. His writings continue to be influential in Christian circles, encouraging individuals in their faith journeys.