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Nathaniel Bowditch

Nathaniel Bowditch  

March 26, 1773 – March 16, 1838
Birthplace: Salem, Massachusetts


“I will put down in the book nothing I can’t teach the crew.”

The Immaculate Bowditch

Nathaniel Bowditch memorial at Mount Auburn Cemetery - photo by DaderotWhen one considers that Nathanial Bowditch died 176 years ago, what he accomplished in his 65 years on this earth is even more impressive. His formal education ended at age 10, when his family’s financial distress required him to work in his father’s cooperage, curtailing opportunity for intellectual advancement. But Bowditch was an unusual teenager, one who spent his evenings studying Greek and Latin. When he was 13, Bowditch wrote a booklet on marine navigation. At age 15, he designed and built a barometer. He taught himself calculus in order to study Isaac Newton’s Principia Mathematica. Jobs in ships chandleries as a young teen led to voyages as a ship’s clerk. At sea, he learned French, kept meticulous notes on lunar positions, navigational techniques, wind, tide, currents, and applied his mathematical genius to celestial navigation.

Bowditch's Practical Navigation 1st editionBowditch’s initial research was provided by Hamilton Moore, whose book, Navigator, had been published in London. Working on voyages, by the time he tackled the third edition of the work, Bowditch had corrected – by hand – more than 8,000 errors in Moore’s computation tables. That led to the publication of Bowditch’s own work in1802, The American Practical Navigator. He said he would “put down in the book nothing I can’t teach the crew.” On one of Bowditch’s voyages, it was reported that all 12 crew, the cook included, learned to take and calculate lunar observations and plot the ship’s position. Still considered the seaman’s bible, naval officer candidates used to refer to the book as “the immaculate Bowditch.”

Even before Practical Navigator was published, Bowditch had been elected to the American Academy of Arts and Sciences (1799).Lissajous (Bowditch) 8 21 knot

He gave up his sailing career in 1804 after a voyage ending in a blinding snow storm in which he navigated safely to his home port of Salem, Massachusetts, without being able to see either stars or land. He joined the corporate world as president of Salem’s Essex Fire and Marine Insurance Company.

Bowditch’s continuing publications in astronomical investigations – including what remains the best translation of French Mathematician Pierre-Simon Laplace’s monumental work on heavenly bodies, Traité du Méchanique Célestebrought him offers of academic chairs at Harvard, West Point, and University of Virginia. Preferring to work unattached, he turned them all down.

- Roger Vaughan

Links of Interest:



Nathaniel Bowditch Wikipedia page.

Facts on Nathaniel Bowditch - NNDB.com - "tracking the entire world"

Biography of Nathaniel Bowditch - School of Mathematics, University of St. Andrews, Scotland

Encyclopedia Britannica writeup on Nathaniel Bowditch

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