Railway station Berlin Zoologischer Garten (RE, IR, IC, ICE, S, U) with S-Bahn direction East to Berlin-Friedrichstraße (RE, S, U), then take S-Bahn S25 (every 20 min) to terminus Lichterfelde-Süd, then walking Westfalenring - Ahlener Weg - Kantstraße (approx. 15 min) or with the same S25 to Lichterfelde Ost, take the bus direction Kleinmachnow (each 20 min) bis Hannemannstraße, walking 5 min to Kantstraße.
Flight:
Berlin-Tegel: Take Express Bus X9 to Potsdamer Platz, then with S25 - see below, like train. Berlin-Schönefeld: Airport-Express (RE) to Friedrichstrasse - see below.
Car:
Take A 115 exit 5 Potsdam-Babelsberg, then to Teltow, Ruhlsdorfer Platz left - direction Steglitz, Lichterfelder Allee, turn right Hauffstraße, turn left Kantstraße.