Horace Darwin founded the Cambridge Scientific Instrument Company and put Britain on a footing equal with Germany as a world-class instrument maker. His instruments were vitally important to Britain's WWI effort. He was elected FRS and knighted.  He was the ninth child of Charles Darwin and Emma. - See more at: http://blog.oup.com/2013/11/ten-facts-about-charles-darwins-ten-children/#sthash.JxO23tAH.dpuf
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