Prof. Theresa Rauscher is one of the pre-made NPC physics professors in La Fiesta Tech from The Sims 2: University. She can be made playable by befriending and asking her to move in, or by marrying her.
Theresa has the same facial structure as Prof. Victoria Roennigke. Her name is randomized when La Fiesta Tech is generated. The name "Prof. Theresa Rauscher" is only referenced in the game files.