Proctor Teagan

Proctor Teagan is the Brotherhood of Steel's quartermaster and the proctor of the Order of the Sword, living onboard The Prydwen in 2287.

Background
Proctor Teagan is locked inside the armory on The Prydwen and acts as its procurement officer. The player can accept a quest from him called Feeding the Troops. He is one of the few merchants the player can buy a power armor frame from. As the Sole Survivor progresses through ranks of the Brotherhood, he will have special items on sale.

Appearances
Proctor Teagan appears only in Fallout 4.

Bugs
Proctor Teagan may not talk to you after interacting with him. You might be able to fix this with

Doing a VATS Mellee attack then immediately canceling it on Teagan will teleport you inside his room.