Professor Marston and the Wonder Women upon a lingerie shop in New York City run by Charles Guyette, who introduces him to fetish art themed comics and photos. The art captures William's imagination as a demonstration of his DISC theory. Elizabeth initially disapproves of the art, but she relents during a presentation wherein Olive tries out an outfit that later would be the prototype for Wonder Woman's costume. After finding limited work as a writer, Marston comes up with the idea of creating a female Amazonian super-heroine for a comic book. The comic would feature his ideas on DISC theory, drawing inspiration from the Marstons' work
Polygraph blood pressure for police cases, a 1904 device by Vittorio Benussi used to measure breathing, and an abandoned project by American William Moulton Marston which used blood pressure to examine German prisoners of war (POWs). Marston’s machine indicated a strong positive correlation between systolic blood pressure and lying. Marston wrote a second paper on the concept in 1915, when finishing his undergraduate studies. He entered Harvard Law School and graduated in 1918, re-publishing his earlier work in 1917. Marston's main inspiration for the device was his wife, Elizabeth Holloway Marston. "According to Marston’s son, it was his mother Elizabeth, Marston’s