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Leon Lederman
International/y renowned high-energy physicist, is Director Emeritus of Fermi
National Accelerator Laboratory in Batavia, lIIinois and holds an appointment
as Pritzker Professor of Science at lIIinois Institute of Technology, Chicago.
Or. Lederman served as Chairman of the State of lIIinois Governor's Science
Advisory Committee. He is a founder of and Resident Scholar at the lIIinois
Mathematics and Science Academy, a 3-year residential public high school
for the gifted. Or. Lederman was the Director of Fermi National Accelerator
Laboratory from June 1, 1979 to June 30, 1989. He is a founder and
Chairman of the Teachers Academy for Mathematics and Science, active in
the professional development of primary school teachers in Chicago. In 1990
he was elected President of the American Association for the Advancement
of Science, the largest scientific organization in the U. S. He is a member of
the National Academy of Science and has received numerous awards,
including the National Medal of Science (1965), the Elliot Cresson Medal of
the Franklin Institute (1976), the Wolf Prize in Physics (1982), the Nobel Prize
in Physics (1988) and the Enrico Fermi Prize given by President Clinton in
1993. He served as a founding member of the High En"ergy Physics Advisory
Panel of the United States Depertment of Energy and the International
Committee for Future Accelerators. Lederman chairs the Committee on

Capacity Building in Science of the Paris-based International Council of
Scientific

Abstract: The Beginnings of Pion and Muon Physics
My talk will review the birth and early evolution of High Energy Physics
(Particle Physics) as it emerged from the series of post WWII accelerators.
This will touch, in a detailed way, the work of FERMI at Chicago in the
decade of the 1950's Fermi, in Chicago with a spectacular group of
students was a prime mover in opening this field. The major physics
concerns of the day were the properties of pions and muons. The scattering
of pions by protons gave physics a glimpse of the strong force whereas
muons and their related neutrinos was the entry to high energy weak forces.
My own work at Columbia and research at Berkeley, Rochester, Liverpool,
etc are relevant to that seminai epoch at the beginning of a new field.