A small piece of paper signed by Charles Babbage and J.F.W. Herschel
A most felicitous pairing at every level. Herschel and Babbage 'met while undergraduates at Cambridge where they both studied mathematics. They remained lifelong friends. Herschel supported Babbage through personal encouragement, service on the Royal Society committees specially convened to advise on the utility of the engines [mechanical computing engines, or..... More