Barber
From The Stargate Omnipedia
Lieutenant and member of SG-5. Barber visited P4X-347 with the rest of his team and Dr. Daniel Jackson and was exposed to its dangerous light emitter for a substantial period of time.
Lt. Barber returned to Earth and had been waiting for the completion of a translation from 347. Within 48 hours he became so overwhelmed with depression as a result of his exposure to the alien device that he committed suicide by rushing into the unstable energy vortex of the Stargate.
DETAILS
PLAYED BY - Link Baker
FIRST APPEARED - The Light
KEY EPISODE
The Light - Lieutenant Barber gears to return to P4X-347 and unexpectedly commits suicide by allowing himself to be absorbed into the Stargate's energy vortex.