deaths

Bernard D. H. Tellegen, Dutch engineer and academic (born 1900)

Historical image related to Bernard D. H. Tellegen, Dutch engineer and academic (born 1900) from August 30, 1990

Bernard D. H. Tellegen

Dutch electrical engineer (1900–1990)

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.
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