Astronomy Now has posted an interesting dialog [1]with the authors of Advancing Variable Star Astronomy: Tom Williams and Michael Saladyga.
Links:
[1] http://www.astronomynow.com/mag/1110/AAVSO.html
[2] http://www.aavso.org/category/tags/centennial
[3] http://www.aavso.org/category/tags/front-page-news