| Complexity Pioneers | 1900 | 2000 | |
|---|---|---|---|
| Macy Conferences | 1942 | 1953 |
|
| Serbelloni Conferences | 1966 | 1969 |
|
| Cannon | 1871 | 1945 |
|
| Lotka | 1880 | 1949 |
|
| Richardson | 1881 | 1953 |
|
| Bush | 1890 | 1970?? |
|
| Lewin | 1890 | 1947 |
|
| Wiener | 1894 | 1964 |
|
| Piaget | 1896 | 1964?? |
|
| McCulloch | 1898 | 1971 |
|
| Rashevsky | 1899 | 1970 |
|
| Gerard | 1900 | 1975 |
|
| Von Bertalanffy | 1901 | 1972 |
|
| Mead | 1901 | 1980? | |
| Bateson | 1901? | 1980 | |
| Lorente de No | 1902 | 1980? | |
| Von Neumann | 1903 | 1957 | |
| Waddington | 1905 | 1975 | |
| Boulding | 1910 | ---- | |
| Rapoport | 1911 | ---- | |
| Von Foerster | 1911 | ---- | |
| Turing | 1912 | 1954 | |
| Bigelow | 1913 | 2003 | |
| Savage | 1917 | ---- | |
| Iberall | 1918 | ---- | |
| Pitts | 1923 | 1969 | |
| Thom | 1923 | ---- | |
| Maturana | 1928 | ---- | |
| Jantsch | 1929 | 1981 | |
| Lovelock | 1930?? | ---- | |
| Pask | 1930?? | ---- | |
| Prigogine | 1930?? | ---- | |
| Forrester | 1930?? | ---- | |
| Rosen | 1934 | ---- | |
| Zeeman | 1934? | ---- | |