Sam Cossman’s Crazy-Fun, World-Improving, Somewhat Improbable Universe

Sam Cossman’s Crazy-Fun, World-Improving, Somewhat Improbable Universe

The first time Sam Cossman went into the volcano, it was just for fun. The 33-year-old San Franciscan was still hungover from the failure of a startup, Qwake, which he had launched to create the kinds of unique, life-affirming adventures that improve the self and (ideally) the planet—the ones that he himself craved and that …