bibliography: In 1938 she designs a lamp named Potence Pivotante. In her autobiography, the lamp is postdated two years. She writes: “In 1940 I designed a revolving and cheap lamp, manufactured with long, black tubes assembled in a shape of an inverted L, to bring electrical cable from the switch to the bulb”. In 1950 Jean Prouvé designs his Potence, considered one of the paradigms of his genius. Compare them! The idea is the same.