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William Starke Rosecrans (September 6, 1819 – March 11, 1898) was an inventor, coal-oil company executive, diplomat, politician, and United States Army officer.

William Starke Rosecrans

William Starke Rosecrans (September 6, 1819 – March 11, 1898) was an inventor, coal-oil company…

Sir Benjamin Thompson, Count Rumford (26 March 1753 – 21 August 1814) was an Anglo-American physicist and inventor whose challenges to established physical theory were part of the 19th century revolution in thermodynamics.

Count Rumford

Sir Benjamin Thompson, Count Rumford (26 March 1753 – 21 August 1814) was an Anglo-American physicist…

Rupert, Count Palatine of the Rhine, Duke of Bavaria, commonly called Prince Rupert of the Rhine, (17 December 1619 – 29 November 1682), soldier, inventor and amateur artist in mezzotint. He was a soldier from a young age, fighting against Spain in the Netherlands and the Holy Roman Empire in Germany. Aged 23, he was appointed commander of the Royalist cavalry during the English Civil War. He surrendered after the Battle of Naseby and was banished from the British Isles. He spent some time in Royalist forces in exile, first on land then at sea. He then became a buccaneer in the Caribbean. Following the restoration, Rupert returned to England, becoming a naval commander, inventor, artist and first Governor of the Hudson's Bay Company. Prince Rupert died in England in 1682, aged 62.

Prince Rupert of the Rhine

Rupert, Count Palatine of the Rhine, Duke of Bavaria, commonly called Prince Rupert of the Rhine, (17…

The inventor of the telegraph that used a needle to point to the right letter instead of using Morse code.

Ernst Siemens

The inventor of the telegraph that used a needle to point to the right letter instead of using Morse…

(1781-1848) Railway engineer who constructed the first locomotive.

George Stephenson

(1781-1848) Railway engineer who constructed the first locomotive.

(1781-1848) Great inventor of the rail and roadbed

George Stephenson

(1781-1848) Great inventor of the rail and roadbed

An eminent inventor, born near Newcastle, England, June 9, 1781; died Aug. 12, 1848.

George Stephenson

An eminent inventor, born near Newcastle, England, June 9, 1781; died Aug. 12, 1848.

An electrician and inventor, born in Herzegovina, Austria, in 1858.

Nikola Tesla

An electrician and inventor, born in Herzegovina, Austria, in 1858.

(1857-1943) Austria-Hungarian electrician, physicist, and inventor. Nikola Tesla was born in 1856 into a Serb family in the village of Smiljan, Austrian Empire (modern-day Croatia).

Nikola Tesla

(1857-1943) Austria-Hungarian electrician, physicist, and inventor. Nikola Tesla was born in 1856 into…

(1745-1827) Italian inventor who gives his name to a number of electrical terms.

Count Alessandro Volta

(1745-1827) Italian inventor who gives his name to a number of electrical terms.

(1732-1819) Inventor

James Watt

(1732-1819) Inventor

(1736-1819) Inventor of the steam engine

James Watt

(1736-1819) Inventor of the steam engine

James Watt (19 January 1736 – 25 August 1819) was a Scottish inventor and mechanical engineer whose improvements to the steam engine were fundamental to the changes brought by the Industrial Revolution in both Britain and the world.

James Watts

James Watt (19 January 1736 – 25 August 1819) was a Scottish inventor and mechanical engineer…

Eli Whitney (December 8, 1765 – January 8, 1825) was an American inventor best known as the inventor of the cotton gin. This was one of the key inventions of the industrial revolution and shaped the economy of the antebellum South. Whitney's invention made short staple cotton into a profitable crop, which strengthened the economic foundation of slavery. Despite the social and economic impact of his invention, Whitney lost his profits in legal battles over patent infringement, closed his business, and nearly filed bankruptcy.

Eli Whitney Jr.

Eli Whitney (December 8, 1765 – January 8, 1825) was an American inventor best known as the inventor…

Inventor

Eli Whitney

Inventor

"Eli Whitney invented the cotton-gin in 1793."—E. Benjamin Andrews, 1895

Eli Whitney

"Eli Whitney invented the cotton-gin in 1793."—E. Benjamin Andrews, 1895

Eli Whitney, inventor of the cotton gin.

Eli Whitney

Eli Whitney, inventor of the cotton gin.

An inventor, born in Westborough, Mass., Dec. 8, 1765; died in New Haven, Conn., Jan. 8, 1825.

Eli Whitney

An inventor, born in Westborough, Mass., Dec. 8, 1765; died in New Haven, Conn., Jan. 8, 1825.