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Banker and Treasurer of the Zoological Society of London 1831-1858

Christian Gottfried Ehrenberg was a German naturalist, zoologist, comparative anatomist, geologist and microscopist.

Sir John Franklin was a British Royal Navy officer and Arctic explorer. After serving in wars against Napoleonic France and the United States, he led two expeditions into the Canadian Arctic and through the islands of the Arctic Archipelago, in 1819 and 1825, and served as Lieutenant-Governor of Van Diemen's Land from 1839 to 1843. During his third and final expedition, an attempt to transverse the Northwest Passage in 1845, Franklin's ships became icebound off King William Island in what is now Nunavut, where he died in June 1847

John Gould was an English ornithologist. He published a number of monographs on birds, illustrate by plates produced by his wife, Elizabeth Gould, and several other artists including Edward Lear, Henry Constantine Richter, Joseph Wolf and William Matthew Hart. His identification of the birds now nicknamed 'Darwin's finches' played a role in the inception of Darwin's theory of evolution by natural selection. Gould's work is referenced in Charles Darwin's book On the Origin of Species