Antonio de Ulloa
A Spanish naval officer who discovered platinum and governed Louisiana, bridging the worlds of Enlightenment science and colonial ambition.
1716–1795 (age 79)·Spanish Navy officer, scientist, and colonial administrator·Birthday: January 12
Biography
Born in Seville, Antonio de Ulloa was thrust into global exploration as a young naval officer. His life was defined by a pivotal expedition to South America, a multi-year voyage to measure the shape of the Earth. While there, his keen scientific eye led him to identify a strange, dense metal in Colombian rivers—platinum, which he formally described for European science. This work cemented his reputation as a practical man of the Enlightenment. His later career was a turbulent mix of administration and command; he served as the first Spanish governor of Louisiana, a posting fraught with local resistance, and later as a vice-admiral. Ulloa's legacy is that of a figure constantly navigating between the pursuit of knowledge and the harsh realities of empire, leaving behind detailed chronicles of the natural world he sought to understand.
#1 When Antonio Was Born
The biggest hits of 1716
Antonio's Life & Times
The world at every milestone
1716Born
1721Started school
1729Became a teenager
1732Could drive
1734Could vote
1737Turned 21
1746Turned 30
1756Turned 40
1766Turned 50
1776Turned 60
1786Turned 70
1795Died at 79
Key Achievements
- Co-led the Spanish-French Geodesic Mission to Peru, contributing to fundamental measurements of the Earth's shape.
- Was the first to provide a scientific description of the element platinum, which he encountered in South America.
- Served as the first Spanish governor of Louisiana, attempting to solidify imperial control in 1766.
- Authored 'A Voyage to South America,' a comprehensive and influential account of the region's natural history and society.
- Achieved the rank of vice admiral in the Spanish Navy, reflecting a lifetime of maritime service.
Did You Know?
The mineral 'Ulloaite' is named in his honor.
He was a founding member of the Royal Academy of Sciences in Madrid.
His governorship of Louisiana lasted less than two years due to a revolt by French colonists.
He was captured by the British during the War of Jenkins' Ear and held prisoner in England.
“The metal from this ore is as heavy as gold, yet it resists cupellation.”
