Dr. Ada Straus

 is a doctor living in the town of Novac in 2281.

Background
One of her bodyguards remarks that he doubts that "Doctor" Strauss actually had any formal medical training.

One of the computer terminals inside Vault 19 contains a log making reference to the vault doctor having bodyguards. It is possible that may be where Dr. Strauss and her bodyguards came from.

Appearances
appears in Fallout: New Vegas.