The question was a life of fame or obscurity, but it didn't say it had to be shallow fame. I would love to be known forever for having written one of the greatest pieces of literature of my time or being a world renown humanitarian. To me, that is worth a short life easily.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell