Joseph-Marie Jacquard (1752–1834)

The Jacquard loom was an invention from the beginning of the nineteenth century that came to be known world-wide. By using punched cards ...

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Peter Jebsen (1824–92)

Peter Jebsen was born at Broager in the Duchy of Schleswig in present-day Denmark, but after gaining experience in several countries ...

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Alojzy [George] Juhlke (1925)

Alojzy Juhlke was one of many millions of East Europeans whose lives were changed utterly by the Second World War. He was born at Tuchola ...

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John Kay (1704–80)

The brilliant inventor John Kay was one of the most significant figures of the early Industrial Revolution. His invention of the flying ...

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Alexander Keiller (1804–74)

Alexander Keiller was born in Dundee, Scotland, to the family who successfully established the Keiller brand of marmalade, but he achieved ...

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Ludwig Knoop (1821–94)

Ludwig Knoop was one of the most successful entrepreneurs in nineteenth-century Europe. He worked in several countries but especially in ...

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Alfred Krupp (1812–87)

The records of the Krupp family in the Rhineland date from 1587, and by the early 19th century their possessions included a forge in Essen ...

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Paul La Cour (1846–1908)

Paul La Cour was a pioneer in the application of wind-power, a sphere in which Denmark has led Europe in the twentieth- and twenty-first ...

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Heinrich Lanz (1838–1905)

The German engineering manufacturer Heinrich Lanz created under his own name a brand of agricultural machinery and steam engines that ...

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Carl Gustaf Patrick de Laval (1845–1913)

Laval was a Swedish engineer whose innovations profoundly influenced the growth of the dairy industry and the development of steam ...

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Louis Le Chatelier (1815–73)

Henri Louis Le Chatelier was a French scientist, engineer and administrator who promoted economic development and solved technical ...

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William Hesketh Lever, first Viscount Leverhulme (1851–1925)

W H Lever was a successful soap manufacturer who founded the model industrial village of Port Sunlight, one of the most significant of its ...

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William Lindley (1808–1900)

William Lindley was an engineer and urban planner who spread main sewer design on modern principles across Europe. He was born and died in ...

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Fredrik (1875 - 1964) & Birger Ljungström (1872–1948)

The Ljungström brothers of Sweden were internationally recognised inventors and designers in mechanical engineering and materials science. ...

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John Lombe (1693–1722)

The brothers Thomas Lombe and John Lombe together revolutionised the spinning of silk in England by building a water-powered factory. It ...

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Henryk Lubieński (1793–1883)

In the early industrialisation of Poland, Henryk Łubieński was a central figure. He was behind the creation of many diverse industrial ...

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