Charles Darwin – 1809 – 1882

1859 book, On the Origin of Species, established evolution by common descent as the dominant scientific explanation of diversification in Nature

Oigin of the Species

Darwin’s 1872 of

The Expression of the Emotions in Man and Animals was an important milestone in natural history,

The concept of emotions in animals was controversial

Last modified: Monday, June 20, 2011, 6:55 PM