Reiner Knizia (German pronunciation: [ˈʁaɪnɐ ˈknɪtsi̯a]) is a prolific German-style board game designer. He was born in West Germany in 1957 and earned a doctorate in Mathematics from the University of Ulm before designing games full time. He is frequently included on lists of the greatest game designers of all time. Many of his hundreds of designs are considered modern classics, and many have won or been nominated for significant gaming awards, including the Spiel des Jahres and the Deutscher Spiele Preis.
https://en.wikipedia.org/wiki/Reiner_Knizia