John Harrison

John Harrison was an English joiner and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of how to calculate longitude while at sea.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

• John Harrison was born 2 years after Edward Cave
• John Harrison was born 2 years before Henri Pitot
• John Harrison was born 7 years before Ewald Georg von Kleist
• John Harrison was born 8 years after Johann Maria Farina
• John Harrison was born 8 years after Bartolomeu de Gusmão

Timeline

1. Bartolomeu de GusmãoDecember 18, 1685 – November 19, 1724
2. Johann Maria FarinaDecember 8, 1685 – November 25, 1766
3. Edward CaveFebruary 27, 1691 – January 10, 1754
4. John Harrison (this page)March 24, 1693 – March 24, 1776
5. Henri PitotMay 3, 1695 – December 27, 1771
6. Ewald Georg von KleistJune 10, 1700 – December 11, 1748

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