Albert Schweitzer was a French theologian, organist, philosopher, #physician, and#medical missionary in Africa. He decided to dedicate his life to all humanity at the age of 30 when he was 21 years old, so at the age of 30, he re-entered the University as a student and studied in Medicine. Schweitzer founded the Albert Schweitzer Hospital in Gabon, west central Africa, and severed in there for 52 years. He received the 1952 #Nobel Peace Prize for his philosophy of "Reverence for Life."