There are 7 unique codex entries in the Persons of Note section on Ilum. 1 is accessible to all players regardless of class or faction and 6 are faction specific.
Admiral Shai is obtained from speaking with Admiral Shai during "A New Order" mission.
Codex type: Persons of Note | Faction: Imperial | Class: All
Associated Achievement: None
Darth Arho is obtained from speaking with Darth Arho during "The Jedi Temple" mission.
Codex type: Persons of Note | Faction: Republic | Class: All
Associated Achievement: None
Darth Malgus is obtained from speaking with Grand Moff Regus during "Shoring Up Defenses" mission as an Imperial player or Commander Jiyan Dar during "A Gentleman's Agreement" mission as a Republic player.
Codex type: Persons of Note | Faction: Both | Class: All
Associated Achievement: None
Grand Moff Regus is obtained from speaking with Grand Moff Regus during "First Strike" mission.
Codex type: Persons of Note | Faction: Imperial | Class: All
Associated Achievement: None
Master Jaric Kaedan is obtained from speaking with Master Jaric Kaedan during "First Strike" mission.
Codex type: Persons of Note | Faction: Imperial | Class: All
Associated Achievement: None
Supreme Chancellor Saresh is obtained from speaking with Supreme Commander Rans during "Ilum Under Siege" mission.
Codex type: Persons of Note | Faction: Republic | Class: All
Associated Achievement: None
Supreme Commander Rans is obtained from speaking with Supreme Commander Rans during "Crystal Ball" mission.
Codex type: Persons of Note | Faction: Republic | Class: All
Associated Achievement: None