Palmistry is the pseudoscientific practice of fortune-telling through the study of the palm. Also known as palm reading, chiromancy, chirology or cheirology, the practice is found all over the world,
A fortune-teller conducting a palm reading, with lines and mounts marked out on the person's left palm
Gold stamped front cover of The Psychonomy of the Hand
The Fortune Teller, by Caravaggio (1594–95; canvas; Louvre)
The Fortune Teller, by Enrique Simonet (1899; canvas; Museo de Málaga)
William John Warner, popularly known as Cheiro, was an Irish astrologer and colourful occult figure of the early 20th century. His sobriquet, Cheiro, derives from the word cheiromancy, meaning palmist
Palmistry
…the American Chirological Society in 1897. A pivotal figure in the modern palmistry movement was the Irish William John Warner, known by his sobriquet, Cheiro. After studying under gurus in India, he set up a palmistry practice in London and enjoyed a wide following of famous clients from around the world…