Ernst Ruska
19061988
German physicist who designed the first electron microscope and won the Nobel Prize in Physics for his work in electron optics
2 స్మారకాలు కనుగొనబడ్డాయి
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ఫిల్టర్ వర్తింపజేసిన జీవితాలలో అన్నీ చూడండి19071988
American author and aeronautical engineer who pioneered hard science fiction and influenced the genre with his emphasis on scientific accuracy and critical thinking
