This is the dizzying story of Britain’s first two transsexuals and the unrequited love of one for the other. The title refers to Roberta Cowell, who as Bob Cowell had been a married father-of-two, fighter pilot and racing driver, until in 1948 he left his family and began life as a woman, causing a sensation when he sold his story to the Picture Post in 1954. 　　But just as intrig...