description Albert Hull Overview
Albert W. Hull was an American physicist and electrical engineer associated with the General Electric Research Laboratory. He developed the magnetron in 1921 and made important contributions to vacuum-tube technology, including the dynatron. The magnetron generated microwave-frequency electromagnetic energy and later became important in radar systems and in the microwave heating technology used by domestic ovens.
Hull's work is relevant to the history of electronics, radio engineering, and applied physics.
help Albert Hull FAQ
What did Albert W. Hull invent in 1921?
Albert W. Hull invented the magnetron in 1921, a vacuum-tube device controlled by a magnetic field. Magnetron technology later became important in radar and microwave ovens.
Was Albert Hull's magnetron the same as the microwave magnetron?
Hull's 1921 magnetron was an important early form of the technology, but the high-power cavity magnetron used in radar was developed later. John Randall and Harry Boot created the cavity magnetron in 1940.
Where did Albert Hull conduct his electrical research?
Hull was associated with General Electric's research work as an American electrical engineer and physicist. His research also produced other vacuum-tube developments, including the dynatron and thyratron.
Why is Albert Hull important to electronics history?
His work helped establish magnetic control of electron tubes before radar and microwave engineering matured. The 1921 magnetron is the clearest link between his research and later high-frequency electronic systems.
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