Archimede Seguso (1909-1999), one of the great Muranese masters, took traditional glassmaking techniques to extremes. His introduction of merletto lacework technique at the Venice Biennale of 1952 turned heads. His secret for embedding fine lacy threads of glass was never shared. Rather than apply the filigree to the surface of vessels as was traditionally done, Seguso floated these delicate wisps of color inside the glass. Archimede Seguso was also...