Sonora Carver was an American entertainer, most notable as one of the first female horse divers. Carver answered an ad placed by "Doc" William Frank Carver in 1923 for a diving girl and soon earned a place in circus history. Her job was to mount a running horse as it reached the top of a forty-foot (sometimes sixty-foot) tower and sail down along the animal's back as it plunged into a deep pool of water directly below. Sonora was a sensation and...