Fiona MacCarthy wrote a biography of the sculptor and typographer Eric Gill in 1989 that dropped a small bomb on the art world.
Gill was one of the most respected artists of the 20th Century. His statue Prospero and Ariel adorns the BBC's Broadcasting House and the Creation of Adam is in the lobby of the Palais des Nations, now the European HQ of the United Nations in Geneva.
But MacCarthy's book revealed that he regularly had sex with two of his daughters, his sisters and even the family dog. These encounters he recorded in his diary.
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