What is computer science / what is important in programming languages

• 1st Lecture Harold Abelson on Structure and Interpretation of Computer Programs: youtube

  The first 30 minutes outline why computer science is not a good name; and what defines a programming language.

  After that, there is a short break, followed by an introduction to LISP.

Some history on UNIX (and implicitly C)

• this short review touches upon the language B, which was the predecessor of the now widely spread language C.