https://www.ethique-liberte.org/wp-content/uploads/2017/11/univers-1310-380.jpg3801310jpeignothttp://www.ethique-liberte.org/wp-content/uploads/2018/01/EL-logo.gifjpeignot2020-01-22 13:22:322021-01-18 20:23:42Stephen Hawking, de la physique à la philosophie