Wüthrich returned to Switzerland, to Zürich, in 1969, where he began his career there at the ETH Zürich, rising to Professor of Biophysics by 1980.
Wüthrich kembali ke Zurich, Swiss, pada 1969, di mana ia memulai kariernya di ETH Zurich, menjadi Profesor Biofisika dari 1980.