e. august friedrich ruska

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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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