Radek John (born 6 December 1954, in Prague; Czech pronunciation: [?rad?k ?jo?n]) is a Czech journalist, writer, screenwriter and politician, current chairman of the political party Public Affairs (in Czech: V?ci ve?ejné). His novel Memento is the first book examining the drug problem in the context of the former communist Czechoslovakia. The novel was translated into ten languages.From 13 July 2010 to 21 April 2011 he served as the Minister of Interior of the Czech Republic.