The Antikythera mechanism is an ancient mechanical computer designed to calculate astronomical positions. It was recovered in 1900–1901 from the Antikythera wreck. Its significance and complexity were not understood until decades later. Its...

Christiaan Huygens was a prominent Dutch mathematician and scientist. He is known particularly as an astronomer, physicist, probabilist and horologist. Huygens was a leading scientist of his time. His work included early telescopic studi...

Thomas Tompion was an English clock maker, watchmaker and mechanician who is still regarded to this day as the Father of English Clockmaking. Tompion's work includes some of the most historic and important clocks and watches in the world an...

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...

Abraham-Louis Breguet or Bréguet, born in Neuchâtel in Switzerland, was a horologist who made many innovations in the course of a career in watchmaking in France. He is the founder of Swiss luxury watch brand Bréguet. Breguet became a membe...

Norman Foster Ramsey, Jr. was an American physicist. In 1949, while working at Harvard, Ramsey applied a key insight to improve Columbia University physicist Isidor Rabi's method of studying atoms and molecules. In 1937, Rabi used alternati...