Anthony Shaffer's most notable work is the play Sleuth (1970). Shaffer also wrote the screenplay of the adapted film version of the play.
... 18 to 24, 31.0% from 25 to 44, 21.9% from 45 to 64, and 16.9% who are 65 years of age or older. The median age is 39 years. For every 100 females there are 113.3 males. ...