In 1713, a letter ascribed to Charles Waldegrave examined a game called "le Her". He was a functioning Jacobite and uncle to James Waldegrave, a British diplomat. [2][3] In this letter, Waldegrave gave a minimax blended procedure answer for a two-man rendition of the gam and the issue is currently known as Waldegrave issue. In his 1838 Recherches sur les princi mathematiques de la theorie des richesses (Researches into the Mathematical Principles o Theory of Wealth), Antoine Augustin Cournot considered a duopoly and introduced an ans the Nash harmony of the game