Renaissance concept of the artist originated in Florence

In 1435, the Renaissance concept of an artist originated in Florence, Italy, all due to Leon Battista Alberti's influential book De pictura, or Della pittura (On Painting). Continue reading

First National geologic survey

Undertaking of the project began in 1835, called Geological Survey of Great Britain, under the direction of Henry Thomas De la Beche, an economic geologist. Continue reading

Tomato Cultivation in Mexico

Cultivation of the mighty Tomato started in Mexico and not Italy as some would expect (as they make spigettie sauce). Continue reading

Woman printer of note

Charlotte Guillard of Paris, France (She died in 1556), worked in the printing businesses with both of her husbands to which she outlived, afterwards she ran her own shop. Continue reading

John Bardeen

John Bardeen (/bɑːrˈdiːn/; May 23, 1908 – January 30, 1991) was an American physicist and electrical engineer, the only person to have won the Nobel Prize in Physics twice: first in 1956 with William Shockley and Walter Brattain for the invention of the transistor; and again in 1972 with Leon N Cooper and John Robert Schrieffer for a fundamental theory of conventional superconductivity known as the BCS theory. Continue reading

The first Household detergent

Introduced in 1907 by Henkel & Cie. of Dusseldorf, Germany, makers of the household detergent Persil. Still available today. Continue reading

James Watt

James Watt FRS FRSE (30 January 1736 (19 January 1736 OS) – 25 August 1819) was a Scottish inventor, mechanical engineer, and chemist who improved on Thomas Newcomen's 1712 Newcomen steam engine with his Watt steam engine in 1781, which was fundamental to the changes brought by the Industrial Revolution in both his native Great Britain and the rest of the world. Continue reading

City with more than 1 million inhabitants

London, England was the place, the census of 1811 showed that the city of London had a population of 1,009,546 at the time. Continue reading

Albert Einstein

Albert Einstein (/ˈaɪnstaɪn/; German: [ˈalbɛɐ̯t ˈaɪnʃtaɪn]; 14 March 1879 – 18 April 1955) was a German-born theoretical physicist. He developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). Continue reading

The Guinea gold coins

First minted in 1663 in England, the coins were made of gold mined in what is now the Republic of Guinea (to which the name Guinea coins) in West Africa, were initially worth £1. Continue reading