Nobel Peace Prize Crossword Puzzle

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Across
  1. 4. - The last name of the South African leader who fought against apartheid (7 letters).
  2. 5. - The organization founded by Mother Teresa (7 letters).
  3. 6. - The first name of the prize awarded for outstanding contributions to peace (5 letters).
Down
  1. 1. - The principle upheld by the Nobel Peace Prize winners (8 letters).
  2. 2. - The first name of the youngest Nobel Peace Prize laureate (6 letters).
  3. 3. - A state of tranquility, the theme of the Nobel Prize for this category (5 letters).