title: ArXiv at 20.
authors.affiliation: Department of Physics, Cornell University, Ithaca, New York 14853, USA. ginsparg@cornell.edu
authors.forename: Paul
authors.initials: P
authors.lastname: Ginsparg
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D033181:Information Dissemination / Q000266:history* / Q000379:methods; D020407:Internet / Q000266:history*; D010825:Physics / Q000266:history; D011643:Publishing / Q000266:history; D012106:Research / Q000266:history*; D012107:Research Design; D012108:Research Personnel