Robert Edmond Grant, British comparative anatomist, c 1840.

Carte-de-visite photograph. Grant (1793-1874) is famous for his research into marine biology including works on molluscs, sponges and sea pens. He was a strong believer in evolutionary biology, a radical view in his time, and between 1826-1827 was a major influence on Charles Darwin (1809-1882). In 1828 he became the first Profesor of Comparative Anatomy and Zoology at University College, London and taught there until his death in 1874.