A tile mosaic depicting a medicine’s chemical formula greets visitors in the lobby. Upstairs, in office space flooded with natural light, employees sit on brightly covered swivel chairs and lean against pillows decorated with elements from the periodic table. And as Ping-Pong players volley outside the cafeteria on a Friday afternoon, dozens of their colleagues gather for the weekly beer hour.
Welcome to the new $800 million headquarters of Vertex Pharmaceuticals Inc. on the South Boston Waterfront, where about 1,200 of the drug maker’s research and commercial employees have been united for the first time, in two glass-faced towers connected by a walkway.
The complex formally opens Tuesday. It represents the first move of a major life sciences company from Cambridge to Boston’s growing Innovation District. Full story for BostonGlobe.com subscribers.