Rackspace recently published a nice infographic on the evolution of . It starts with FORTRAN and COBOL and runs through Ruby on Rails (which, yes, is a framework and not a language).

Unfortunately, it omits such influential languages as Lisp , ALGOL 60 and Smalltalk . But including every important language ever would make for a pretty long infographic.

The popularity stats at the end are apparently sourced from the oft criticized TIOBE.

Link:
The History of Programming Languages [Infographic]