As I mentioned in my Wesnoth Evolution: 0.1 article, I contacted David White (a.k.a. Dave/Sirp) to ask him a few questions about Wesnoth's early history — more specifically, about codename “strategy” and Wesnoth 0.1.
This is not an all-inclusive interview. You can find more information on Wesnoth's history in Wesnoth.org if you know how and what to search. Wesnoth Philosophy on the wiki (which includes The History of, and Philosophy behind Wesnoth) may be a good starting point.
Without further ado, meet Dave: