ENGINEER

Harry Ricardo

1885 - 1974

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Sir Harry Ralph Ricardo (26 January 1885 – 18 May 1974) was an English engineer who was one of the foremost engine designers and researchers in the early years of the development of the internal combustion engine. Among his many other works, he improved the engines that were used in the first tanks, oversaw the research into the physics of internal combustion that led to the use of octane ratings, was instrumental in development of the sleeve valve engine design, and invented the Diesel "Comet" Swirl chamber that made high-speed diesel engines economically feasible. Read more on Wikipedia

Since 2007, the English Wikipedia page of Harry Ricardo has received more than 217,770 page views. His biography is available in 15 different languages on Wikipedia. Harry Ricardo is the 340th most popular engineer, the 4,961st most popular biography from United Kingdom and the 38th most popular British Engineer.

Memorability Metrics

  • 220k

    Page Views (PV)

  • 43.58

    Historical Popularity Index (HPI)

  • 15

    Languages Editions (L)

  • 3.04

    Effective Languages (L*)

  • 2.70

    Coefficient of Variation (CV)

Among ENGINEERS

Among engineers, Harry Ricardo ranks 340 out of 389. Before him are Leon O. Chua, Otmar Szafnauer, John Houbolt, Chuck Peddle, R. J. Mitchell, and Tommy Flowers. After him are Sidney Darlington, Robert Zubrin, Pavel Pavel, Vladimir Barmin, Rajeshwari Chatterjee, and Viktor Kozin.

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Contemporaries

Among people born in 1885, Harry Ricardo ranks 253. Before him are C. J. Hambro, Charles Rosher, Niels Petersen, René Benjamin, Mór Kóczán, and John Fenning. After him are Bjørn Rasmussen, George Butterworth, Lionel Atwill, Florence Turner, Birger Sjöberg, and Alain LeRoy Locke. Among people deceased in 1974, Harry Ricardo ranks 237. Before him are Eduard Kainberger, Nina Agadzhanova, Gene Ammons, Tex Ritter, Charles Rosher, and Maturino Blanchet. After him are Enrico Rivolta, V. K. Krishna Menon, Gabriel Thorstensen, Roger Staub, Giovanni D'Anzi, and Jacob Bronowski.

Others Born in 1885

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Others Deceased in 1974

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In United Kingdom

Among people born in United Kingdom, Harry Ricardo ranks 4,961 out of 8,785. Before him are Bob Crompton (1879), Tommy Flowers (1905), Sheila Lerwill (1928), David Bedford (1937), James Cleverly (1969), and Denise Levertov (1923). After him are Peter Geach (1916), Sarah Gilbert (1962), Ralph McTell (1944), Tanya Tate (1979), Nicky Butt (1975), and Caroline Bliss (1961).

Others born in United Kingdom

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Among ENGINEERS In United Kingdom

Among engineers born in United Kingdom, Harry Ricardo ranks 38. Before him are Jesse Ramsden (1735), Joseph Bazalgette (1819), Ove Arup (1895), Geoffrey de Havilland (1882), R. J. Mitchell (1895), and Tommy Flowers (1905). After him are Charles Portal, 1st Viscount Portal of Hungerford (1893), Ralph Bagnold (1896), Kevin Warwick (1954), Pat Fry (1964), John Lombe (1693), and James Allison (1968).

British born Engineers

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