In the 1950s and 1960s he went into semiretirement from music, working in radio engineering.

The mathematics of radio engineering is a pleasant and very useful subject.

Later he was sent to the Soviet Union in order to complete a degree in radio engineering.

His father was a professor of radio engineering in the military school, the author of several textbooks for students.

He studied radio engineering at the University of California.

This structure is known in radio engineering as microstrip line.

Before the second world war, electronic engineering was commonly known as a 'radio engineering'.

At that time, studying radio engineering at a university was part of a physics degree.

He was a brilliant student, and won a scholarship at the University of Toronto to study radio engineering.

In the interwar years, the subject was known as radio engineering.