Roger Apéry
1916–1994 (age 78)
Biography
Roger Apéry (French: [apeʁi]; 14 November 1916 – 18 December 1994) was a Greek-French mathematician most remembered for Apéry's theorem, which states that ζ(3) is an irrational number. Here, ζ(s) denotes the Riemann zeta function.