This Day In History: 1762-02-15

Francis Buchanan-Hamilton was born on this day. Also known as Francis Hamilton, he was a Scottish physician and naturalist who undertook two surveys in India looking at many aspects of the country and its inhabitants including its natural history.
He may be best known for, An account of the fishes found in the river Ganges and its branches (1822), which described around 270 species, more than 100 of them new to science.

Hamilton is likely honoured in species names of the Indian fishes described by Gray under hamiltoni and hamiltonii.