[1] He made contributions in different fields of electronics starting with telecommunications, followed by data storage while in California and notably semiconductor devices for power applications.

Subsequently, he spent two years at its Institute of Telecommunications, headed by Heinrich Emil Weber, earning his doctorate degree based on a thesis entitled Transistorisierter Impulsgenerator für die Zeittaktzählung von Telefontaxen.

In 1963, he emigrated to the US and worked for Ampex Corporation in Redwood City in the field of magnetic-tape data storage devices.

When he returned to Switzerland in 1968, he joined the newly founded Corporate Research Center of Brown, Boveri & Cie in Baden AG.

His first assignment was the development of a photoelectric current sensor for high-voltage transmission lines using the Faraday effect together with Peter J.