National Medal of Science
For his discovery and development of the sodium iodide scintillation counter leading to its application to spectroscopy in virtually all branches of science and technology, including imaging in medicine, and for his contributions to the understanding of the structure of elementary particles and atomic nuclei stemming from the development of the electron scattering method.
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BirthFebruary 5, 1915
Country of BirthUSA
Key ContributionsElectron Scatter Method
Gamma Ray Detection
Awarded byRonald Wilson Reagan
EducationCity College of New York
AccoladesSupported by NSF
Areas of ImpactTheory & Foundations
Other PrizesNobel Prize
Atoms – with their protons, neutrons and electrons – are the basic building blocks of the universe.
However, in the 1950s, certain aspects of these particles remained unknown until Robert Hofstadter and his team at Stanford University began to unravel the mystery.
Over a decade, Hofstadter researched the radius of neutrons and protons, which make up the atomic nucleus, determining a measurement of about 24 to 32 quadrillionths of an inch.
While at Stanford, Hofstadter led additional research into the nucleus’ structure. These experiments involved shooting a beam of electrons at various nuclear targets, studying deflections to paint a consistent picture.
For this work, he shared the 1961 Nobel Prize.
“Not only has this subject been long associated with the ideas of thinking men over the ages but its practical importance is attested to by the huge resources of men and material thrown at this type of work,” he said, accepting the honor.