Jules Antoine Lissajous, French mathematician and academic (died 1880)

Jules Antoine Lissajous

French physicist

Jules Antoine Lissajous was a French physicist, after whom Lissajous figures are named. Among other innovations, Lissajous invented the Lissajous apparatus, a device that creates the figures that bear his name. In it, a beam of light is bounced off a mirror attached to a…