Friedrich August von Hayek CH FBA (/ˈhaɪək/ HY-ək, German: [ˈfʁiːdʁɪç ˈʔaʊɡʊst ˈhaɪɛk] ; 8 May 1899 – 23 March 1992), often referred to by his initials F. A. Hayek, was an Austrian-British economist and philosopher who is best known for his defence of classical liberalism. Hayek shared the 1974 Nobel Memorial Prize in Economic Sciences with Gunnar Myrdal for his work on economics. His account of how changing prices communicate information that helps individuals coordinate their plans is widely regarded as an important achievement in economics, leading to his prize.