"Fans know that she carries a golden lasso that compels anyone caught in it to tell the truth. But fewer realize that her creator, psychologist William Moulton Marston, also helped develop the first real-life lie detector. Marston, who earned his PhD from Harvard in 1921, and his wife, Elizabeth Holloway Marston (who earned a master's degree in psychology at Radcliffe), conducted the first research that linked systolic blood pressure to emotion—a key part of the modern polygraph."