John Rennell

John Rennell (1742–1830) was a British surveyor, mapmaker, and naval officer known for his detailed charts of the Indian Ocean and Pacific regions. He played a key role in mapping important maritime routes during the late 18th century, aiding navigation and exploration. Rennell also authored notable works on navigation and geography, contributing significantly to the understanding of these areas. His efforts helped improve the accuracy of maps used by sailors and explorers, supporting British naval dominance and scientific knowledge during his era.