Wonder Woman of her homeland, she adopts her civilian identity Diana Prince. Wonder Woman was created by the American psychologist and writer William Moulton Marston (pen name: Charles Moulton), and artist Harry G. Peter. Marston's wife, Elizabeth, and their life partner, Olive Byrne, are credited as being his inspiration for the character's appearance. Marston's comics featured his ideas on DISC theory, and the character drew a great deal of inspiration from early feminists, and especially from birth control pioneer Margaret Sanger; in particular, her piece "Woman and the New Race". Wonder Woman's origin story relates that she was sculpted from clay by
William Moulton Marston pressure test, which became one component of the modern polygraph invented by John Augustus Larson in Berkeley, California. Marston's wife, Elizabeth Holloway Marston, suggested a connection between emotion and blood pressure to William, observing that, "[w]hen she got mad or excited, her blood pressure seemed to climb". Although Elizabeth is not listed as Marston's collaborator in his early work, Lamb, Matte (1996), and others refer directly and indirectly to Elizabeth's own work on her husband's research. She also appears in a picture taken in his laboratory in the 1920s (reproduced by Marston, 1938). Marston set out to commercialize Larson's invention