If you're like most people, you're annoyed by passwords. You've got dozens to remember -- some of them tortuously complex-- and on any given day, as you read e-mails, send tweets, and order groceries ...

Fernando Corbató, whose work on computer time-sharing in the 1960s helped pave the way for the personal computer, as well as the computer password, died on Friday at a nursing home in Newburyport, ...