The President's National Medal of Science: Recipient Details
Erwin W. Mueller
Evan-Pugh Research Professor of Physics
Pennsylvania State University
University Park,Pennsylvania 16802 USA
"For his invention of the field-emission microscope, the field-ion microscope, and the atom-probe microscope, which helped to resolve the atomic structures of solids."
Presented by President Carter at a White House Ceremony on November 22, 1977.