Who says there's no job security in media? Everyone says that, because it's true. But there are inspirational exceptions. Meet 94-year-old San Francisco Chronicle science reporter David Perlman, who cranked out 111 articles last year and continues to work full-time at the paper. He still loves his beat and his desk is in a sunny corner of the Chronicle newsroom, so there's no reason to quit working now.

After all, he said over a burger at a South of Market dive near Chronicle headquarters, "I'm doing exactly what I wanted to do all my life, be a reporter."

He "majored in the Spectator," the Columbia student paper, [...]