Doctor Gregory Victor is a level 48 Forsaken first aid trainer located in Hammerfall in the contested territory of Arathi Highlands. He can teach one how to create [Runecloth Bandage] at 260+ skill and [Heavy Runecloth Bandage] at 290+ skill for free.
He starts the quest 
[45] Triage (First Aid).
See List of Arathi Highlands NPCs.