Lasso of Truth period before, during and after World War I, on understanding and perfecting the systolic blood-pressure test while working on his Ph.D. in psychology at Harvard University. Blood pressure was one of several elements measured in the polygraph tests that were being perfected since as far back as Italian criminologist Cesare Lombroso, in 1895. Marston's wife, psychologist and lawyer Elizabeth Holloway Marston, one of his inspirations for the Wonder Woman character, also played a key role in his lie detector research. But the lie detector had nothing to do with Marston's creation of the Magic Lasso. Wonder Woman's "Magic Lasso" or
William Moulton Marston to becoming more readily accepting of loving submission to loving authorities rather than being so assertive with their own destructive egos. About male readers, he later wrote: "Give them an alluring woman stronger than themselves to submit to, and they'll be proud to become her willing slaves!" Marston combined these themes with others, including restorative and transformative justice, rehabilitation, regret and their roles in civilization. These appeared often in his depiction of the near-ideal Amazon civilization of Paradise Island, and especially its Reform Island penal colony, which played a central role in many stories and was the "loving" alternative to