The recent helicopter rescue recalled the most dramatic rescue from the Eiger, the first time a climber was rescued alive.
Europe's highest rack railway, the Jungfraubahn, curls up to the Jungfraujoch, Europe's highest railway station in most dramatic fashion - through the very heart of the Eiger.
Harrer said that after 50 years, public interest in the Eiger and the historic first climb has actually increased.