Installed as an outsider, he engineered a comeback, shifting the company’s focus from a waning mainframe computer business ...

He changed the culture and found a new business mission for the storied company that had fallen on hard times.He died Saturday at age 83.

Inside IBM’s main research center rises a maze of silver towers, each 22 feet tall. Through their vented flanks, you catch glimpses of blinking lights and the shadows of wires. The machine’s ...