Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His TimeBy Dava Sobel
- Author: Dava Sobel
- Publisher: Penguin Books (October 1, 1996)
In 1714, England's Parliament offered a huge reward to anyone whose method of measuring longitude could be proven successful. The scientific establishment -- from Galileo to Sir Isaac Newton -- had mapped the heavens in its certainty of a celestial answer. In stark contrast, one man, John Harrison, dared to imagine a mechanical solution -- a clock that would keep precise time at sea, something no clock had been able to do on land. And the race was on.