OId Materials

You can find old information that we published on our web site from this page.


Letter to the editor of Physics Today, Leon Lederman, November, 1982  (Also available at

An essay by LedermanSymmetry, June/July, 2005

“Fermilab program for teens too good to pass up,” The Aurora Beacon News, January 8, 2010

An article by Roger Dixon, submitted to APS News in 2010