Steven P. Jobs was born on Feb. 24, 1955, into an era of rotary phones and room-sized computers. He died on Oct. 5, 2011, having contributed perhaps more than any other person to forging an age of personal computers, slick electronic tablets, and slender mobile phones with a thousand times more computing power than the old mainframes. Jobs was 56 when he died, of complications from pancreatic cancer. He was surrounded by friends and family, including his wife, Laurene, and their children. Read the Obituary on Businessweek.com.