Jacob Bernoulli was one of the many prominent mathematicians in the Bernoulli family. He was an early proponent of Leibnizian calculus and had sided with Leibniz during the Leibniz–Newton calculus controversy. He is known for his numerous c...

Bartolomeo Cristofori di Francesco was an Italian maker of musical instruments, and is most remembered for inventing what would become the modern-day piano. He was born in Padua and became known as a harpsichord and spinet maker. In 1690 he...

John Harrison was a self-educated English carpenter and clockmaker. He invented the marine chronometer, a long-sought after device for solving the problem of establishing the East-West position or longitude of a ship at sea, thus revolution...

Henry Cavendish was a British scientist noted for his discovery of hydrogen or what he called "inflammable air". He described the density of inflammable air, which formed water on combustion, in a 1766 paper "On Factitious Airs". Antoine La...

George Washington was the first, and only nonpartisan, President of the United States (1789–97), the Commander-in-Chief of the Continental Army during the American Revolutionary War, and one of the Founding Fathers of the United States. He...

Sir Frederick William Herschel was a German-born British astronomer and composer who became famous for discovering Uranus. He also discovered infrared radiation and made many other discoveries in astronomy. He played the cello besides th...

François-Dominique Toussaint Louverture, also Toussaint Bréda, was a leader of the Haitian Revolution. Born in Saint-Domingue, in a long struggle for independence Toussaint led enslaved Africans and Afro-Haitians to victory over French colo...

In 1795 Jean Baptiste Joseph Delambre was admitted to the Bureau des Longitudes, becoming President in 1800. In 1801 he was appointed secretary to the Académie des Sciences making him the most powerful figure in science in France. In 17...

Jenner was an English physician and pupil of John Hunter, a pioneer in comparative anatomy and morphology. Jenner's invaluable experiments, beginning in 1796 with the vaccination of eight-year-old James Phipps, proved that cowpox provided i...

Napoleon Bonaparte was a French military and political leader who rose to prominence during the latter stages of the French Revolution and its associated wars in Europe. As Napoleon I, he was Emperor of the French from 1804 to 1814 and a...

Richard Trevithick was a British inventor and mining engineer from Cornwall, UK. His most significant contribution was to the development of the first high-pressure steam engine. He also built the first full-scale working railway steam loco...

Joseph Ritter von Fraunhofer is known for discovering the dark absorption lines known as Fraunhofer lines in the Sun's spectrum, and for making excellent optical glass and achromatic telescope objectives. In 1814 Fraunhofer invented the...

Nat Turner's Rebellion (also known as the Southampton Insurrection) was a rebellion of enslaved Virginians that took place in Southampton County, Virginia, in August 1831, led by Nat Turner. The rebels killed between 55 and 65 people, at le...

Eduard Suess was a geologist who was an expert on the geography of the Alps. He is responsible for discovering two of the Earth's major now-lost geographical features, the supercontinent Gondwana (proposed 1861) and the Tethys Ocean. Sue...

Alexander Graham Bell was an eminent Scottish-born scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone. Bell's father, grandfather, and brother had all been associated with work on elo...