Christian Gottfried Ehrenberg
He was a member of the Royal Swedish Academy of Sciences from 1836 and a foreign member of the Royal Society of London from 1837. In 1839, he won the Wollaston Medal, the highest award granted by the Geological Society of London. He continued until late in life to investigate the microscopic organisms of the deep sea and of various geological formations. He died in Berlin on 27 June 1876.