From JLab_News https://twitter.com/JLab_News on Twitter: Born #OTD in 1918, Abraham Pais, whose ideas culminated in the discovery of the existence of strange quarks inside subatomic particles, such as those we study at #JLab! https://twitter.com/JLab_News/status/1262865121145225216/photo/1 https://chirp.cooleysekula.net/attachment/65276