When this Yale University undergrad isn't playing defensive line for the Bulldogs, he's teaming up with three classmates to develop and distribute a new app that protects students and faculty members during potential episodes of gun violence in schools. What have you done with your life?...

Before Twitter and the Kardashians and selfies, selfies and more selfies, there stood a generation of men and women committed to fighting racial and social injustice. Meet a man who—though relatively obscure—refused to back down....