| A | B |
| Adam Smith | scottish economist wrote "The Wealth of Nations" |
| John Sturat Mill | Stated that freedom of thought and discussion promoted social progress, wrote "On Liberty" |
| Karl Mark | German philosopher and economic theorist, wrote "Communist Manifesto" with Friedrich Engels |
| Friedrich Engels | German socialist wrote "Communist Manifesto" with Karl Mark |
| Jeremy Bentham | promoted the idea of utilitarianism |
| Charles Darwin | Developed theory of evolution, wrote, "On the Origin of Species" |
| Gregor Mendel | His work became the basis for genetics |
| Edward Jenner | British pioneer of vaccination |
| Louis Pasteur | "germ theory" of disease proposed that diseases are spread by living organisms |
| Marie Curie | Noted physicist discovered the radioactive elements polonium and radium |
| Ivan Pavlov | His findings suggested that human actions were unconscious reactions to stimuli and could be changed by training |
| Sigmund Freud | His theories led to psychoanalysis, a method of treatment to discover people's motives |
| Mary Lyon | opened the first women's college, the Mount Holyoke Female Seminary |
| Charles Dickens | foremost English realistic writer, spoke out on behalf of the poor |
| Leo Tolstoy | wrote "War and Peace" a historical noverl aobut Napoleon's invasion of Russia |
| Vincent van Gogh | Dutch postimpressionist painter, works included "Sunflowers" |
| Claude Monet | French impressionism painter, painted "Water Lilies" |
| Honore de Balzac | "The Human Comedy" collection of his works, describing the greed and stupidity he say growing in the middle class |
| Johann Wolfgang von Goethe | Wrote "Faust" a drama about human striving and the need for redemption |