Italy in Cosmic Rays and X-ray astronomy) and a number of Italian physicists were forced to leave Italy in the 1930s by Fascist laws against Jews. Other prominent physicists include: Amedeo Avogadro (most noted for his contributions to molecular theory, in particular the Avogadro's law and the Avogadro constant), Evangelista Torricelli (inventor of barometer), Alessandro Volta (inventor of electric battery), Guglielmo Marconi (inventor of radio), Galileo Ferraris and Antonio Pacinotti, pioneers of the induction motor, Alessandro Cruto, pioneer of light bulb and Innocenzo Manzetti, eclectic pioneer of auto and robotics, Ettore Majorana (who discovered the Majorana fermions), Carlo Rubbia (1984 Nobel
Alessandro Salvio Walker, 1843 Alessandro Salvio Alessandro Salvio (c. 1570 – c. 1640) was an Italian chess player who is considered to be the unofficial world champion around the year 1600. He started an Italian chess academy in Naples, Italy, and wrote a book called "Trattato dell'Inventione et Arte Liberale del Gioco Degli Scacchi", which was published in Naples in 1604. He also wrote "Il Puttino" published in 1634. According to JH Saratt's translation, Il Puttino was first published in 1604, and republished in 1634. [1] SALUIO NAPOLITANO, DOTTOR ALESSANDRO: TRATTATO DELL’ INVENTIONE ET ARTE LIEBERALE DEL GIOCO DI SCACCHI, Diuiso in