| Name | Reinhold Niebuhr |
| Nationality | American |
| Profession | Theologian |
| Born | 21 June 1892 |
| Died | 01 June 1971 |
God, grant me the serenity to accept the things I cannot change, the courage to change the things I can, and the wisdom to know the difference.
(Reinhold Niebuhr said)
