e. august friedrich ruska

Ruska

[ruhs-kuh; German roos-kah]
noun
Ernst (August Friedrich) [ernst ou-goost free-drikh] , 1906–88, German physicist and electrical engineer: developed electron microscope; Nobel prize 1986.
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American Heritage
Science Dictionary
Ruska   (rŭs'kə)  Pronunciation Key 
German electrical engineer who in 1931 developed the world's first electron microscope, which he continued to improve in subsequent work. For this work he shared with German physicist gerd Binnig and Swiss physicist Heinrich Rohrer the 1986 Nobel Prize for physics.
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