Claim: The Sterile Cuckoo was adapted from a novel written by an American novelist.
Evidence: The movie was adapted by Alvin Sargent from the 1965 novel by John Nichols , and directed by Alan J. Pakula , in his directing debut.
Alan Jay Pakula -LRB- -LSB- pəˈkuːlə -RSB- April 7 , 1928 -- November 19 , 1998 -RRB- was an American film director , writer and producer.