John Hadley

Mathematician and inventor of the octant

John Hadley - Scientists & Innovators born April 16th, 1682
Born
Died
Category

Scientists & Innovators

Country

England

Links & References

Contributions to mathematics and navigation included the invention of the octant, an important navigational instrument used at sea. The octant allowed sailors to measure angles up to 90 degrees and later influenced the development of more advanced tools. Hadley published works detailing the principles of the octant and its applications in navigation, contributing to the field of celestial navigation. His innovations aided explorers and navigators in more accurately determining their positions at sea, proving crucial during the Age of Discovery.

Invented the octant in 1730

Published works on celestial navigation

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