1595-1632 French Mathematician A mathematician who contributed to a number of areas ranging from arithmetic to algebra, Albert Girard enjoyed little recognition during his lifetime. A 1626 treatise on trigonometry by him contains the first use of the...

Albert Girard (1595–1632) was a French-born mathematician. He studied at the University of Leiden. According to the MacTutor Archive, "he had early thoughts on the fundamental theorem of algebra" and gave the inductive definition for the Fibonacci...