Stephen Sekula

Stephen Sekula at

From JLab_News on Twitter: #BornOnThisDay in 1924, César Lattes discovered the first particle built of two quarks, the pion, with his colleagues in 1947. We produce and study pions (green) and other particles to better understand matter's building blocks! https://twitter.com/JLab_News/status/1017061533342367744/photo/1