James Ramsey Ullman

James Ramsey Ullman was an American writer and mountaineer. He was born in New York City. He was not a "high end" climber, but his writing made him an honorary member of that circle. Most of his books were about mountaineering and geography.
His works include Banner in the Sky, which was a book based on the true story of the first climbing of the Matterhorn, and The White Tower.
In his late 20's, after a discouraging lack of success as a theatrical producer, in New York, he undertook a journey from Lima to the Atlantic. He wrote about that journey in his book The Other Side of the Mountain: An Escape to the Amazon, which is entertaining and informative on several levels.
High Conquest was the first of nine books for the J.B. Lippincott Company, coming out in 1941, followed by The White Tower, River of The Sun, Windom's Way, and Banner in the Sky, a 1955 Newbery Honor book. All of these titles became small motion pictures.
Ullman was the ghost writer for Tenzing Norgay's 1955 autobiography Man of Everest and for John Harlin's biography Straight Up.
He also wrote the short story "Top Man", a story about mountaineers climbing K3, a mountain in India.