I may be wrong, but the essential illustrative nature of most documentary photography, and the worship of the object per se, in our best nature photography, is not enough to satisfy the man of today, compounded as he is of Christ, Freud, and Marx.
I remember the first time I read Freud, I was 25 or 30, and I was expecting it to be about the Oedipus complex. But what I actually discovered confirmed my own common experience, that you also had little boys who loved their fathers and little girls who loved their mothers.
Peptic ulcers became more common in the 20th century at the same time that these theories of Freud and other psychoanalysts became popular. And somehow those meshed, and this tradition emerged that ulcers were caused by stress or turmoil in one's life.
When I was writing my dissertation, I wrote about Freud and the process of sublimation, which is when you learn to stop breast-feeding, or stop going to the toilet whenever you want to. It's about learning to repress a desire for instant gratification.
Kinsey thought that Freud in his own way was as dangerous as the Catholic Church.
I did invent the idea of using lucid dreaming to treat sleep disorders, but I was influenced by many real-life researchers - from forefathers like Freud and Jung to Stephen Laberge and Rosalind Cartwright, who explore lucid dreaming and parasomnias.