Sam Greenspan

Sam Greenspan (@samlistens) is the managing producer at 99% Invisible.

He lives in Oakland, California.

producer

This hour we meander our way down three rivers in search of solace, spiritual healing and, of course, total domination.

This hour: we'll bob from the biggest maritime disaster that you've never heard of, to a man who saved thousands of shipboard lives with a deceptively simple design.

presenter