Bernard Tellegen
Dutch electrical engineer and inventor (1900-1990) · Netherlands · On the map · Scientists · Died at 90
Bernard D.H. Tellegen was a Dutch electrical engineer and inventor of the pentode and the gyrator. He is also known for a theorem in circuit theory, Tellegen's theorem.
Bernard Tellegen is read about 10 times a day, in 13 languages.
A typical day, 30 days to 5 October 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 120 days, one point a day.
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About this person
Country
Netherlands
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1900 to 1990 · aged 90
