Something about the Main Heads of the team
Josh Sawyer: Designer on IWD, Lead Designer on IWD 2, Lead Designer on the original Fallout 3 and Baldur's Gate 3 (both cancelled) Lead (I think) on Gauntlet Seven Sorrows but left with several of his contributions ripped off, Lead Designer on NWN2 during its last year after old Lead left, Lead Designer on Aliens: Cubicle (cancelled), Project Lead, Lead Designer and Lead System Designer on Fallout: New Vegas, Project Lead and Lead Designer on Project: Eternity.
Chris Avellone: So, so much. To keep it short: Lead Designer on Planescape: Torment, Designer on Fallout 2, Lead Designer of KOTOR:2, Lead Designer of the last version of Alpha Protocol, Designer on Mask of the Betrayer and Project Lead/Lead Designer on the New Vegas DLC's except Honest Hearts (Sawyer), writes (something on Eternity)
Tim Cain: Created Fallout (I mean literary, first guy on the project and had his hands in everything), Project Lead on Arcanum and Temple of Elementary Evil as well as a programmer on Vampire: Bloodlines. Responsible for Skills/Systems and some programming on Eternity.
Adam Brennecke: Programmer on many Obsidian titles, Project Leaad on the Dungeon Siege III add-on. Manly responsible for the production side of eternity.
Edit: Wrote this out of my head. So, if there's a fault please say so.