For 10 points, name this South African playwright of  "Master Harold"... and the Boys .
In a play by this author, a character shows his buttocks to the title character in reaction to a bad joke he tells that puns on the sentence "It's not fair, is it?" After a character in a play by this author compares conflict to "bumps," another imagines an essay called "A World Without Collisions." In a play by this author, the line "you can't fly kites on rainy days" is repeated as characters remember making a kite out of a tomato box and flying it in the park. That play by this author is set in the (*)  St. George's Park Tea Room, where two characters are preparing for a dance contest when news that the title teenager's alcoholic father is coming home prompts him to racially abuse Willie and Sam. For 10 points, name this South African playwright of  "Master Harold"... and the Boys .
In a play by this author, a character shows his buttocks to the title character in reaction to a bad joke he tells that puns on the sentence "It's not fair, is it?"
Athol  Fugard  [or Harold Athol Lanigan  Fugard ]