Preston was born in 2227. Aged 50, he is a kind old man who enjoys nothing more than tending to the sick and injured. He genuinely loves helping people and is well liked and respected among the citizens of Rivet City. On occasion, he has had to work closely with Janice Kaplinski, whom he considers to be his close friend. They have a father-daughter type of relationship. He tries to get her to lighten up and interact with people more.
"Oh, I'd like to help, I really would. But I don't know the first thing about this place's history. Don't let my age fool you; I may have been around for a while, but I didn't spend all that time here!"