If you feel like killing Arcade Gannon. He isn't able to be your companion after the quest so killing him wont effect anything or make anyone hostile.
To begin Arcade Gannon's side quest all you have to do is hire him as a companion. He will then talk to you and he will start the quest. Arcade is located in Old Mormon Fort.
You must hire Arcade Gannon as a companion. You can find Arcade with The Followers area inside Freeside.
You have to hire "Arcade Gannon" and a secret little quest will come along. But you have to talk him into it.
Look up the Quest "For Auld Laye Syne". You have to do a few things with Arcade Gannon in your party and he will give you the key.
Valerie Jean Gannon has written: 'The Blithfield estate of the Bagot family 1740-1818' -- subject(s): Abbots Bromley (Staffordshire), Blithfield (Staffordshire)
Kim Gannon's birth name is James Kimball Gannon.
Luke Gannon's birth name is Luke E. Gannon.
Rich Gannon's birth name is Richard Joseph Gannon.
Shannon Gannon's birth name is Shannon M. Gannon.
The passphrase is "My dear friends, remember Navarro", but you can only learn this if you recruit Arcade Gannon and achieve the conditions needed to trigger his personal quest "For Auld Lang Syne".
Harry Morgan
Gannon University was created in 1925.