Who dated Erasmus Darwin?

Erasmus Robert Darwin (12 December 1731 – 18 April 1802) was an English physician. One of the key thinkers of the Midlands Enlightenment, he was also a natural philosopher, physiologist, abolitionist, inventor, freemason, and poet.

His poems included much natural history, including a statement of evolution and the relatedness of all forms of life.

He was a member of the Darwin–Wedgwood family, which includes his grandsons Charles Darwin and Francis Galton. Darwin was a founding member of the Lunar Society of Birmingham, a discussion group of pioneering industrialists and natural philosophers.

He turned down an invitation from George III to become Physician to the King.