San Francisco. The Leonardo da Vinci Society, in collaboration with the Italian Institute of Culture of San Francisco, presents the second series of conferences to celebrate Italian scientists who made a global contribution, leaving their mark in San Francisco and the Bay Area. The first conference, today at 18:30, focuses on Guglielmo Marconi (1874-1937), the creator of wireless communication. Paola Tonelli, Director of the Cultural sector of the Leonardo da Vinci Society, will talk about Marconi – one of the most prominent scientists in the history of modern technology. Following, Marco Pavone and Fabrizio Capobianco, two young Italian scientists, will present their work and their recognitions in Italy and abroad. (9Colonne)