carlsagan Scientist who said "The cosmos is also within us. We're made of star-stuff" Host of TV's Cosmos His "Cosmos" series may be rebooted by Seth MacFarlane First host of "Cosmos" "Cosmos" presenter "Broca's Brain" writer Host of an Emmy-winning PBS series Noted 1-Across studier "Cosmos" author Neil deGrasse Tyson mentor "The Dragons of Eden" Pulitzer winner ''The Dragons of Eden'' author