births

Germinal Pierre Dandelin, Belgian mathematician and engineer (died 1847)

Historical image related to Germinal Pierre Dandelin, Belgian mathematician and engineer (died 1847) from April 12, 1794

Germinal Pierre Dandelin

French mathematician, soldier and professor of engineering

Germinal Pierre Dandelin was a French mathematician, soldier, and professor of engineering.
Source: Wikipedia (CC BY-SA)

April 12

Day of the year

April 12 is the 102nd day of the year in the Gregorian calendar; 263 days remain until the end of the year.
Source: Wikipedia (CC BY-SA)