When you're looking for the labs of Hamprecht, and Schnörr, please go to Mathematikon building section A.
You can enter the building via Klaus-Tschira-Platz, then find your way to the fourth floor.
When you're looking for the lab of Rother, please go to Mathematikon building section B.
You can enter the building via Berliner Straße 43, then go to the third floor and turn left there.
