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Annie Besant and Charles Leadbeater's Occult Chemistry (1908)
A chemistry treatise that weds the hard sciences with theosophical insight, making a microscope of the psychic mind.
Around 1871, she rejected her previously devout Christianity, separated from her clergyman husband, became a freethinker, matriculated for a science degree at London University, but did not take it, advocated for birth control, and then joined the Fabians. Their first book together, though, was a psychological exploration called Thought-Forms(1901), which depicted experiences and feelings, such as varieties of love and anger, in coloured diagrams resembling abstract art. Besant and Leadbeater’s investigations in Occult Chemistry begin with “four gases in the air” — hydrogen, oxygen, nitrogen and “a fourth gas (atomic weight=3) so far not discovered by chemists.” These were the simplest elements.
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