Alfréd Rényi (20 March 1921 – 1 February 1970) was a Hungarian mathematician who made contributions in combinatorics, graph theory, number theory but mostly in probability theory.
Renyi’s quote: “If I feel unhappy, I do mathematics to become happy. If I am happy, I do mathematics to keep happy.”
Citation: P. Turan, “The Work of Alfred Renyi”, Matematikai Lapok 21, 1970, pp 199 – 210.