Victor Michael Jean-Marie Thébault (1882–1960) was a French mathematician best known for propounding three problems in geometry.
Thébault was born on March 6, 1882, in Ambrières-les-Grand (today a part of Ambrières-les-Vallées, Mayenne) in the northwest of France.
In 1909 he placed first in a competitive exams, which yielded him a certificate to work as a science professor at teachers' colleges.
Thébault however found a professor's salary insufficient to support his large family and hence he left teaching to become a factory superintendent at Ernée from 1910 to 1923.
[1] Despite leaving teaching Thébault stayed active in mathematics with number theory and geometry being his main areas of interest.