Erwin Wilhelm Müller
Encyclopedia
Erwin Wilhelm Müller (June 13, 1911, in Berlin
Berlin
Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

 – May 17, 1977, in Washington D.C.) was a German
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 physicist
Physicist
A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

 who invented the Field Emission Electron Microscope (FEEM), the Field Ion Microscope (FIM)
Field ion microscope
Field ion microscopy is an analytical technique used in materials science. The field ion microscope is a type of microscope that can be used to image the arrangement of atoms at the surface of a sharp metal tip....

, and the Atom-Probe Field Ion Microscope
Atom probe
The atom probe is a microscope used in material science that was invented in 1967 by Erwin Wilhelm Müller, J. A. Panitz, and S. Brooks McLane. The atom probe is closely related to the method of Field Ion Microscopy, which is the first microscopic method to achieve atomic resolution, occurring in...

. He was the first person to experimentally observe atom
Atom
The atom is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons. The atomic nucleus contains a mix of positively charged protons and electrically neutral neutrons...

s.

Müller studied at the Technical University in Berlin under Gustav Hertz. He received his degree in engineering in 1935 and his doctorate in 1936. Müller worked at the Siemens
Siemens AG
Siemens AG is a German multinational conglomerate company headquartered in Munich, Germany. It is the largest Europe-based electronics and electrical engineering company....

 Research Laboratory, where he invented the field emission microscope in 1936 that allowed resolutions of 2 nanometers.

Müller married Klara Thüssing in 1939, and their only daughter Jutta was born in 1940. Due to the circumstances of war, he also worked at the Stabilovolt Company.

In 1947, he was appointed to the Kaiser Wilhelm Institute for Physical Chemistry and Electrochemistry (renamed to Fritz-Haber-Institut
Fritz Haber Institute of the MPG
The Fritz Haber Institute of the Max Planck Society is a science research institute located at the heart of the academic district of Dahlem, in Berlin, Germany....

 on the occasion of its incorporation into the Max Planck Society
Max Planck Society
The Max Planck Society for the Advancement of Science is a formally independent non-governmental and non-profit association of German research institutes publicly funded by the federal and the 16 state governments of Germany....

 in 1953) by Iwan N. Stranski. Here he developed the field ion microscope which, due to its resolution of 0.25 nm, was the first instrument used to observe atoms.

In 1950, he took a teaching appointment at the Technical University in Berlin after finally having completed the required Privatdozent
Privatdozent
Privatdozent or Private lecturer is a title conferred in some European university systems, especially in German-speaking countries, for someone who pursues an academic career and holds all formal qualifications to become a tenured university professor...

(habilitation
Habilitation
Habilitation is the highest academic qualification a scholar can achieve by his or her own pursuit in several European and Asian countries. Earned after obtaining a research doctorate, such as a PhD, habilitation requires the candidate to write a professorial thesis based on independent...

). In 1951, he became professor at the Free University Berlin.

Müller joined the faculty at Pennsylvania State University
Pennsylvania State University
The Pennsylvania State University, commonly referred to as Penn State or PSU, is a public research university with campuses and facilities throughout the state of Pennsylvania, United States. Founded in 1855, the university has a threefold mission of teaching, research, and public service...

 in 1952, where he remained until his death in 1977. He co-invented the Atom-Probe Field Ion Microscope
Atom probe
The atom probe is a microscope used in material science that was invented in 1967 by Erwin Wilhelm Müller, J. A. Panitz, and S. Brooks McLane. The atom probe is closely related to the method of Field Ion Microscopy, which is the first microscopic method to achieve atomic resolution, occurring in...

 at Penn State in 1967.

Honors

  • National Medal of Science
    National Medal of Science
    The National Medal of Science is an honor bestowed by the President of the United States to individuals in science and engineering who have made important contributions to the advancement of knowledge in the fields of behavioral and social sciences, biology, chemistry, engineering, mathematics and...

     (1977)
  • Achievement Award of the Instrument Society of America (1960)
  • Davisson-Germer Prize of the American Physical Society
    American Physical Society
    The American Physical Society is the world's second largest organization of physicists, behind the Deutsche Physikalische Gesellschaft. The Society publishes more than a dozen scientific journals, including the world renowned Physical Review and Physical Review Letters, and organizes more than 20...

     (1972)
  • Carl Friedrich Gauß
    Carl Friedrich Gauss
    Johann Carl Friedrich Gauss was a German mathematician and scientist who contributed significantly to many fields, including number theory, statistics, analysis, differential geometry, geodesy, geophysics, electrostatics, astronomy and optics.Sometimes referred to as the Princeps mathematicorum...

     Medal (:de:Carl-Friedrich-Gauß-Medaille) (1952)
  • John Scott Medal of the City of Philadelphia (1970)
  • External Scientific Member, Fritz-Haber-Institut (1957)
  • Honorary Degree, Free University of Berlin
    Free University of Berlin
    Freie Universität Berlin is one of the leading and most prestigious research universities in Germany and continental Europe. It distinguishes itself through its modern and international character. It is the largest of the four universities in Berlin. Research at the university is focused on the...

     (1968)
  • Honorary Degree, University of Lyon
    University of Lyon
    The University of Lyon , located in Lyon and Saint Etienne, France, is a center for higher education and research comprising 16 institutions of higher education...

  • Medard W. Welch Award
    Medard W. Welch Award
    The award is given to scientists who demonstrated outstanding research in the fields pertinent to American Vacuum Society. It was established in 1969 in memory of Memory of Medard W. Welch, a founder of American Vacuum Society. The prestige of the award is created by its recipients and their...

     1971
  • American Physical Society
    American Physical Society
    The American Physical Society is the world's second largest organization of physicists, behind the Deutsche Physikalische Gesellschaft. The Society publishes more than a dozen scientific journals, including the world renowned Physical Review and Physical Review Letters, and organizes more than 20...

     1971

External links

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