Doctor Richard Keller

Richard Keller, Dr.
Age:	55
Affiliation:	Black Mesa
Role:	Protagonist
Appearances:	Half-Life: Decay

Doctor Richard Keller is a 55 year old, wheelchair-bound scientist with level five security clearance at the Black Mesa Research Facility. Throughout Decay, which is his only appearance, he assists Dr. Gina Cross and Dr. Colette Green through radio communication.

His fate at the end of Decay, alongside Dr. Cross and Dr. Green, is unknown.