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Inventors and what they invented part 3

Inventors and what they invented part 3

Nils Gustaf Dalén (1869–1937), Sweden –
AGA cooker , Dalén light , Agamassan , Sun valve for lighthouses and buoys

John Frederic Daniell (1790–1845), United Kingdom – Daniell cell

Corradino D'Ascanio (1891–1981), Italy –
Vespa scooter

Leonardo da Vinci (1452–1519), Italy –
helicopter , tanks, and parachutes for safety

Jacob Davis (1868–1908), U.S. – Riveted jeans
Humphry Davy (1778–1829), UK – Davy miners lamp

Joseph Day (1855–1946), UK – the crankcase-compression two-stroke engine

Lee DeForest (1873–1961), U.S. –
Phonofilm , triode

Fe del Mundo (1911–2011), Philippines – non-electric incubator

Yuri Nikolaevich Denisyuk (1927–2006), Russia – 3D holography

Robert H. Dennard (born 1932), U.S. –
Dynamic random-access memory (DRAM)

Miksa Deri (1854–1938), Hungary – co-inventor of an improved closed-core
transformer

James Dewar (1842–1923), UK – Thermos flask

Aleksandr Dianin (1851–1918), Russia –
Bisphenol A, Dianin's compound

William Kennedy Laurie Dickson (1860–1935), UK – motion picture camera

Philip Diehl (1847–1913), U.S. – Ceiling fan

Rudolf Diesel (1858–1913), Germany –
Diesel engine

William H. Dobelle (1943–2004), United States – Dobelle Eye

Johann Wolfgang Döbereiner (1780–1849), Germany – Döbereiner's lamp (chemistry)

Toshitada Doi (born 1943), Japan, together with Joop Sinjou, Netherlands – Compact disc

Ray Dolby (1933–2013), U.S. – Dolby noise-reduction system

Gene Dolgoff (born 1950), U.S. – LCD projector

Mikhail Dolivo-Dobrovolsky (1862–1919),
Poland/Russia – three-phase electric power

Marion O'Brien Donovan (1917–1998), U.S. – Waterproof diaper

Mbakwe Kingsley Chidiebere (Learner) Did you learn anything? Yes No        

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Education
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Who is the author of the game