Claim: Dangerous Liaisons is based on the play of a British playwright born in 1946.
Evidence: Dangerous Liaisons is a 1988 American historical drama film based upon Christopher Hampton 's play Les liaisons dangereuses , which in turn was a theatrical adaptation of the 18th-century French novel Les Liaisons dangereuses by Pierre Choderlos de Laclos.
Christopher James Hampton , CBE , FRSL -LRB- born 26 January 1946 -RRB- is a British playwright , screenwriter , translator and film director.