Portrait of German-born French medical missionary and theologian Dr. Albert Schweitzer (1875 – 1965) as he stands on the deck of the ocean liner SS Nieuw Amsterdam, New York, New York, June 28, 1949. Schweitzer was on board for his first trip to the United States where he was scheduled to deliver a lecture at the Goethe Bicentennial in Aspen, Colorado. (Photo by PhotoQuest/Getty Images)