Charles Theophilus Hahn, born into the English upper middle classes in 1870, was a cleric who worked in industrial towns in Yorkshire, in Southern Africa as a missionary and as an army chaplain in World War One. He loved adventure, travel and nature, and promised himself that he would have a jolly time. He left journals, sketches and watercolours which are the basis for his story, written by John Odling-Smee. The idioms and expressions in the journals...