Lasso of Truth Lasso of Truth The Lasso of Truth is a weapon wielded by DC Comics superheroine Wonder Woman, Princess Diana of Themyscira. It is also known as the Magic Lasso or the Lasso of Hestia. It was created by William Moulton Marston, inventor of the lie detector, as an allegory for feminine charm, but it later became more popular as a device to extract truth from people. The lariat forces anyone it captures into submission; compelling its captives to obey the wielder of the lasso and tell the truth. William Moulton Marston created Wonder Woman but he also worked, in the
Elizabeth Holloway Marston the polygraph test. In 1921, William received his PhD from Harvard and Marston her MA from Radcliffe. Although Marston is not listed as William's collaborator in his early work, a number of writers refer directly and indirectly to Elizabeth's work on her husband's deception research. She appears in a picture taken in his polygraph laboratory in the 1920s, reproduced in a 1938 publication by William. Marston's career included indexing "the documents of the first fourteen Congresses, lectur[ing] on law, ethics, and psychology at American and New York Universities, [and] serv[ing] as an editor for "Encyclopædia Britannica" and "McCall's". In 1933,