so, let me introduce you. >> sebastian prokop: i'm sebastian prokop. i'm 18.hool, and i'm working toward going to college, getting a car, all that good stuff. thank you to the one who pulled me out and let me be able to achieve all the milestones that i've got and that i plan to get. >> pontzer: thank you, scott. >> pelley: what is it like to see him today? >> pontzer: it kind of takes my breath away, scott. it helps to bring some closure, and some help. >> pelley: help for heroes has been the mission of the carnegie fund for 118 years. it has bestowed 10,000 medals, and awarded $40 million. back in 1904, andrew carnegie sensed what science has now confirmed. heroes, he said, cannot be created; they act on an impulse, a mysterious gift to the few. ( ticking ) >> the psychological cost for >> it's okay to say, "look, i really need to talk to someone." >> at 60minutesovertime.com. sponsored by cologuard. ( ticking ) >> pelley: i'm scott pelley. we'll be back next week with another edition of "60 minutes." (vo) while you may not be a pediatric surgeon volunteerin