Originally, the Open content concept and term was evangelized via the Open Content Project by David A. Wiley in 1998, and described works licensed under the Open Content License (a non-free share-alike license, see 'Free content' below) and other works licensed under similar terms [REF].
In 2003 Wiley announced that the Open Content Project has been succeeded by Creative Commons and their licenses, where he joined as "Director of Educational Licenses" [REF].