H. G. Wells 
The Secret Places of the Heart [PDF ebook] 

A beautifully developed characterisation of a man with genius torn by a belief in a new age, meeting a woman soulmate who can never be one, and the social realities of England and his wife.
H.G. Wells was so charmed by Margaret Sanger that he based The Secret Places of the Heart on his time with her. The novel — a thinly-veiled autobiography — depicts an English gentleman, Sir Richard Hardy, who is attempting to sort out his marital problems while he travels the English countryside in the company of a psychiatrist. The Secret Places of the Heart was, in many ways, a love letter from Wells to Sanger…