Maciej Marian Giertych (['mat͡ɕej ˈmarjan ˈɡʲɛrtɨx], born 24 March 1936 in Warsaw) is a Polish dendrologist and social conservative politician of the League of Polish Families (LPR). He favours state intervention in the economy. He was a member of the Sejm (between 2001 and 2004) and a Polish member of the European Parliament (from 2004 to 2009). He was a candidate in the 2005 Polish presidential elections, but withdrew from the race because of low vote results (circa 3%). He is a notable creationist and has stated that he opposes the theory of evolution as a scientist, a geneticist, and not on religious grounds.