Louis V. Gerstner Jr., an outsider who became the leader of IBM when that giant computer company was in a tailspin, and who engineered a remarkable revival of its fortunes in the 1990s, died on Saturd...

Louis V. Gerstner Jr., who as the first outsider to head International Business Machines steered the company away from what looked like a possible demise and refocused it on services, reducing relianc...