Nobel laureate Sir Anthony James Leggett, widely recognized as a world leader in condensed matter physics and for his pioneering work on superfluidity and the quantum mechanics of macroscopic systems, died March 8. Photo by L. Brian Stauffer
CHAMPAIGN, Ill. — Theoretical physicist Sir Anthony James Leggett, widely recognized as a world leader in condensed matter physics and for his pioneering work on superfluidity and the quantum mechanics of macroscopic systems, died March 8. The University of Illinois Urbana-Champaign professor was 87 years old.Leggett had been the John D. and Catherine T. MacArthur Professor of Physics at the University of Illinois Urbana-Champaign since 1983. His research in theoretical condensed matter physics and the foundations of quantum mechanics won the 2003 Nobel Prize in Physics for his contributions to the theory of superconductors and superfluids.
