From: utzoo!decvax!harpo!seismo!hao!hplabs!hpda!fortune!dsd!atd!avsdS:nelson Newsgroups: net.physics Title: Millikan, quarks Article-I.D.: avsdS.382 Posted: Sun Feb 27 11:57:25 1983 Received: Tue Mar 1 08:41:46 1983 Regarding Jerry's (yale-comix!leihter) note on Millikan and the 1/3 charge of quarks, a minor correction: quarks are the building blocks of baryons, but not of leptons. Leptons (electrons, neutrinos) are basic particles themselves. Glenn Nelson, Ampex, Redwood City