W. Leslie French

William Leslie French (April 2, 1868 - March 31, 1929) was an American palmist and graphologist who penned articles and books on his practice of making character analysis through the study of a subject's handwriting. French was affiliated in the first decade of the twentieth century with the Columbia Scientific Academy, a mail-order self-improvement concern, being listed as the company's secretary and vice-president.

Selected Bibliography

• French, William Leslie (Sep. 1913), "How Your Writing Shows Your Character", McClure's Magazine: 130-136, https://www.unz.com/print/McClures-1913sep-00130/ 
• French, W. Leslie (1922), The Psychology of Handwriting, New York: G. P. Putnam's Sons, https://catalog.hathitrust.org/Record/000473917