Anónimo

Citizenship in a Republic is the title of a speech delivered by President Theodore Roosevelt, at the Sorbonne in Paris, France on April 23, 1910. It popularized the phrase "The Man in the Arena", as a person who is heavily involved in a situation that requires courage, skill, or tenacity, as opposed to someone sitting on the side-lines and watching: “It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better.

Gene Kranz was present at the creation of America's manned space program and was a key player in it for three decades. As a flight director in NASA's Mission Control, Kranz witnessed firsthand the making of history. He participated in the space program from the early days of the Mercury program to the last Apollo mission, and beyond. He endured the disastrous first years when rockets blew up and the United States seemed to fall further behind the Soviet Union in the space race.