Ira Levin Ira Levin Ira Marvin Levin (August 27, 1929 – November 12, 2007) was an American novelist, playwright, and songwriter. His most noted works include the novels "A Kiss Before Dying" (1953), "Rosemary's Baby" (1967), "The Stepford Wives" (1972), and "The Boys from Brazil" (1976), as well as the play "Deathtrap" (1978). Many of his novels and plays have been adapted to film. Ira Levin was born on August 27, 1929, in the New York City, New York borough of Manhattan. He grew up in both Manhattan and the Bronx. His father, Charles, was a toy importer. Levin was educated at
S-expression be manipulated by M-expressions, but the first implementation of Lisp was an interpreter of S-expression encodings of M-expressions, and Lisp programmers soon became accustomed to using S-expressions for both code and data. This means that Lisp is homoiconic, that is, the primary representation of programs is also a data structure in a primitive type of the language itself. Nested lists can be written as S-expressions: codice_20 is a two-element S-expression whose elements are also two-element S-expressions. The whitespace-separated notation used in Lisp (and this article) is typical. Line breaks (newline characters) usually qualify as separators. This is a simple context-free