   Aetna Inc. Part 7: Growing Technology In Many Directions Part
7: Growing Technology In Many Directions  The software and
Internet explosion in Silicon Valley was still years away when
Sukhminder Grewal worked there as a nuclear engineer for General
Electric in the '80s. But when Yale School of Medicine recruited
Grewal's wife, a post-doctoral immunologist then at Stanford,
the young couple headed east, to Connecticut. "It broke my heart
to move," Grewal said. "We said, 'We'll give it a shot.'" Grewal
joined GE's Fairfield headquarters, where he examined what
computerization could mean. That led to his role developing 3-D
computer design at GE's jet engine unit, work he did largely
while on the road. By the end of the 1990s,...