By day, Albert Einstein worked for the Swiss Federal Patent Office in Bern. In the evenings, he wrote papers that changed our understanding of the universe. His second-floor apartment at 49 Kramgasse is now the Einstein House.

He moved to Bern in 1902 and stayed with the patent office until 1909. He called those years "the happy and most fruitful in his life." According to the Einsteinhaus, he published 32 scientific papers before he turned 30. They included his special theory of relativity and the idea of light quanta, now known as photons.

VoiceMap's self-guided audio tour tells his story as you walk to the house, which is now a museum above a café. It then points you on to the Einstein section of the Bern Historical Museum, and to a sculpture of him sitting on a bench in the Rosengarten.