One of the guys I went to grad school with a was just an obsessive worker. He was the kind of person who could not sleep if a problem was left unsolved. I remem

One of the guys I went to grad school with a was just an obsessive worker. He was the kind of person who could not sleep if a problem was left unsolved. I remember thinking that it would take more effort for him to work as (relatively) little as I did, than for me to work as hard as he did. He also finished a couple years earlier than most of the people we started with...