Horace Bénédict de Saussure
A Genevan pioneer who turned mountain climbing into a scientific pursuit, inventing tools to measure the Alps and the sky.
1740–1799 (age 59)·Genevan scientist and mountaineer·Birthday: February 17
Biography
Horace-Bénédict de Saussure saw the Alps not just as majestic obstacles, but as a grand laboratory. A wealthy Genevan aristocrat and professor of philosophy, he was driven by a boundless curiosity about the natural world. In 1760, he offered a prize for the first ascent of Mont Blanc, not for sport, but for science. When the mountain was finally climbed in 1786, de Saussure followed a year later, hauling an array of homemade instruments—barometers, hygrometers, electrometers—to conduct the first systematic study of high-altitude physics and meteorology. He meticulously recorded data on air pressure, temperature, and celestial phenomena, founding the sciences of alpinism and modern meteorology in the process. His passion also led him to build the world's first effective solar oven. De Saussure was the quintessential Enlightenment explorer, for whom every summit was a question waiting to be measured.
#1 When Horace Was Born
The biggest hits of 1740
Horace's Life & Times
The world at every milestone
1740Born
1745Started school
1753Became a teenager
1756Could drive
1758Could vote
1761Turned 21
1770Turned 30
1780Turned 40
1790Turned 50
1799Died at 59
Key Achievements
- He made the third ascent of Mont Blanc in 1787, conducting extensive scientific experiments at the summit.
- He authored the seminal four-volume work 'Voyages dans les Alpes', which laid the groundwork for alpine geology.
- He invented the first working solar oven, using it to cook food and melt metals.
- He developed and refined numerous scientific instruments for measuring atmospheric conditions.
Did You Know?
The prize he offered for climbing Mont Blanc is considered the birth of modern mountaineering as a goal-oriented activity.
He was the first to hypothesize that the layered structure of rocks in the Alps was due to their deposition in an ancient sea.
His grandson was the famous linguist Ferdinand de Saussure.
He carried a specially designed portable cyanometer to measure the blueness of the sky at different altitudes.
“I had the happiness of seeing the sky above me almost as dark as in the night, and of being able to gaze at the sun with the naked eye without experiencing the least pain.”
