Ernst Ruska

About Ernst Ruska

Who is it?: Inventor of Electron Microscope
Birth Day: December 25, 1906
Birth Place: Heidelberg, German
Died On: 27 May 1988(1988-05-27) (aged 81)\nWest Berlin, Germany
Birth Sign: Capricorn
Alma mater: Technical University of Berlin Technical University of Munich
Known for: Electron Microscopy
Awards: Albert Lasker Award for Basic Medical Research (1960) Duddell Medal and Prize (1975) Robert Koch Prize (Gold, 1986) Nobel Prize in Physics (1986)
Fields: Physics
Institutions: Fritz Haber Institute Technical University of Berlin
Doctoral advisor: Max Knoll

Ernst Ruska Net Worth

Ernst Ruska was bornon December 25, 1906 in Heidelberg, German, is Inventor of Electron Microscope. German physicist and academician Ernst Ruska is best known for the invention of the electron microscope, one of the most important inventions of the 20th century. A pioneer in the field of electron optics, he was awarded one half of the Nobel Prize in Physics in 1986 in recognition of his contribution to the field. The son of a professor, he developed a keen interest in technology while still a young student and studied at the Technical University of Munich before moving to the Technical University of Berlin. It was as a student that he began the research that eventually led to the development of the electron microscope. He completed his PhD the same year he built his first electron microscope, and continued his research in the field. He also collaborated with his brother, a medical doctor who developed the use of the electron microscope for medical and biological applications. Besides being a noted physicist, he was also a highly respected professor of electron optics and microscopy and was active in this role till his retirement. As a prominent physicist he received numerous awards and honors for his work including Duddell Medal and Prize, Robert Koch Prize, and the Nobel Prize in physics. Throughout his academic career, he contributed to a number of books, publications, and scientific papers in the area of electron optics.
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💰 Net worth: Under Review

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Biography/Timeline

1925

Ernst Ruska was born in Heidelberg, Germany. He was educated at the Technical University of Munich from 1925 to 1927 and then entered the Technical University of Berlin, where he posited that microscopes using electrons, with wavelengths 1000 times shorter than those of light, could provide a more detailed picture of an object than a microscope utilizing light, in which magnification is limited by the size of the wavelengths. In 1931, he demonstrated that a magnetic coil could act as an electron lens, and used several coils in a series to build the first electron microscope in 1933.

1933

After completing his PhD in 1933, Ruska continued to work in the field of electron optics, first at Fernseh Ltd in Berlin-Zehlendorf, and then from 1937 at Siemens-Reiniger-Werke AG. At Siemens, he was involved in developing the first commercially produced electron microscope in 1939. As well as developing the Technology of electron microscopy while at Siemens, Ruska also worked at other scientific institutions, and encouraged Siemens to set up a laboratory for visiting researchers, which was initially headed by Ruska's brother Helmut, a medical Doctor who developed the use of the electron microscope for medical and biological applications.

1955

After leaving Siemens in 1955, Ruska served as Director of the Institute for Electron Microscopy of the Fritz Haber Institute until 1974. Concurrently, he served at the institute and as professor at the Technical University of Berlin from 1957 until his retirement in 1974.

1960

In 1960 he won the Lasker Award. In 1986, he was awarded half of the Nobel Prize in Physics for his many achievements in electron optics; Gerd Binnig and Heinrich Rohrer won a quarter each for their design of the scanning tunneling microscope. He died in West Berlin in 1988.