Alphonse Beau de Rochas
French engineer (1815-1893) · France · On the map · Scientists · Died at 77
Alphonse Eugène Beau de Rochas was a French engineer. He was the first to patent the four-stroke engine in 1862, but he did not build one and the idea was subsequently developed by Nicolaus Otto and other engineers.
Alphonse Beau de Rochas is read about 30 times a day, in 17 languages.
A typical day, 30 days to 19 September 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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About this person
Country
France
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1815 to 1893 · aged 77
