Claim: Lemon Sky is by a playwright.
Evidence: Lemon Sky is a play by Lanford Wilson which ran Off-Broadway in 1970.
Lanford Wilson -LRB- April 13 , 1937March 24 , 2011 -RRB- was a Pulitzer Prize winning , American playwright , whose work , as described by the New York Times , was `` earthy , realist , greatly admired -LSB- and -RSB- widely performed ''.