On February 16, 1822, the cousin of Charles Darwin, Sir Francis Galton was born. Galton the polymath, was known for his fundamental contributions to anthropology, geographics, genetics, psychology, statistics, and eugenics.
On February 12, 1809, the English naturalist Charles Darwin was born. He popularized the term 'natural selection' as a milestone in modern biology, which was introduced in his masterpiece 'On the Origin of Species' in 1859.
On November 14, 1797, Charles Lyell, British lawyer and the foremost geologist of his day, was born. Lyell was a close friend to Charles Darwin and is best known as the author of Principles of Geology, which popularised James Hutton's concepts of uniformitarianism – the idea that the earth was shaped by the same processes still in operation today.