Seguso Vetri d'Arte was formed in 1932 by Archimede Seguso, Angelo Seguso, Bruno Seguso, Luigi Olimpio Ferro, Napoleone Barovier and Antonio Ernesto. Archimede Seguso was the "Maestro di prima piazza", until he left in 1942 to form his own company Vetreria Archimede Seguso. Flavio Poli, famous for his designs using the "Sommerso" technique, was artistic director from 1937 - 1963. The company closed in 1972.
Sources: 20th Century Factory Glass by Lesley Jackson.