The Initial and Second Darwinian Revolutions


Revolutions First, Origin Second, posthumous
bookdates 1859 – 1879.  1936 – 1950.
proponents Naturalists Geneticists and Naturalists
focus mutations genetic recombination (sexual - meiosis)
terminology Darwinism neo-Darwinism

Darwinism | time | ideology | worldview | methods | Neo-Darwinian synthesis

Darwinism, 1864, a term coined by Thomas Henry Huxley,

not a monolithic concept but a persuasion of mind.

"theory of descent with modification through natural selection."

Natural selection competed with inheritance of acquired traits, teleology and abrupt (punctuated) changes, as reasons for changes in the descendants of common ancestors.

Shifting interpretations of Darwin's work.

Darwin as a person.


There are shades of differences in the meaning of Darwinism over time:


"one of the by-products" of Darwin's refutation of existing beliefs, "was the inevitable reinterpretation of evolution as a historical process subject to temporary contingencies."


Ernst Mayr, One Long Argument, p. 96.

evolutionary synthesis, 1942, term coined by Julian Huxley.

came together in stages

Darwinism | time | ideology | worldview | methods | NeoDarwinian synthesis


Mayr's answer