J. Hodgson was an engineer working for the Vault-Tec Corporation at Nuka-World before the Great War, who was stationed at the Vault-Tec: Among the Stars exhibit. This is likely a reference to
, the shows creator.
Elaine's quote "The dingo ate your baby" is a reference to the film
A Cry in the Dark
in which an Australian woman, when accused of the murder of her child, claims a dingo ran off with it. The film is based on a true story.