Chemist. Among other inventions, he helped develop plastics, an extraordinarily useful material which poses risks for the environment and for human health. He thus illustrated the power of combining science with technology but also the inherent ambiguity of all technical advances.
| 1881–1973 | Ludwig von Mises |
| 1863–1952 | George Santayana |
| 1872–1970 | Bertrand Russell |
| 1820–1910 | Florence Nightingale |
| 1844–1900 | Friedrich Nietzsche |
| fl. c. 1806–c. 1873 | John Stuart Mill |
| 1818–1883 | Karl Marx |
| 1883–1946 | John Maynard Keynes |
| 1889–1945 | Adolf Hitler |
| 1856–1939 | Sigmund Freud |
| 1812–1870 | Charles Dickens |
| 1809–1882 | Charles Darwin |
| 1874–1965 | Sir Winston Churchill |
| 1821–1890 | Sir Richard Burton |
| 1829–1912 | William Booth |
| 1857–1941 | Robert Baden-Powell |
