What English polymath was featured with instruments and a Difference Engine prototype at the King George III Museum?
King George III Museum: The King George III Museum was a museum within King's College London, England between 1843 and 1927 which held the collections of scientific instruments of George III as well as eminent nineteenth-century scientists including Sir Charles Wheatstone and Charles Babbage. King George III Museum:  The collection of scientific and mathematical instruments assembled by George III, after whom the museum is named, was donated to the university by Queen Victoria in 1841, and the museum was opened by Albert, Prince Consort on 1 July 1843. King George III Museum:  It counted among its collections the unfinished prototype of the Difference Engine No. 1, designed by Charles Babbage, who is considered a "father of the computer". Charles Babbage: Charles Babbage {'1': ", '2': ", '3': ", '4': "} ( ; 26 December 1791 – 18 October 1871) was an English polymath.
Charles Babbage