| A | B |
| Lamarck is born | 1744 |
| Year following the Beagle voyage | 1837-38 |
| Darwin publishes his ththeory | 1859 |
| Dobzhansky moves to the US | 1927 |
| Influentail russian geneticist Chetverikov arrested | 1929 |
| Wright's paper is publshed | 1931 |
| Goldschmidt leaves Germany | 1936 |
| Goldschmidt's book published | 1940 |
| Huxeley's book on th modern synthesis is published | 1942 |
| Tempo and Mode in Evolution published | 1944 |
| The Princeton symposium is published | 1949 |
| Muller and Simpson published essays on Darwinism | 1959 |
| Ford's Ecological Genetics published | 1964 |
| Wright's four-volume treatise is published | 1968-78 |