periodic-table-composite-2013-rev

NationalInstituteofStandardsandTechnologyServingtheNationSince1901TheHubbardChartoftheAtoms,ca.1924HenryD.Hubbard,thedesignerofthe“ChartoftheAtoms,”wasthefirstsecretaryoftheNationalInstituteofStandardsandTechnology(then-calledtheNationalBureauofStandards)andservedcontinuouslyinthatcapacityfrom1901untilhisretirementin1938.SecretaryHubbardmadeacontributiontoinstructioninphysicsthatisstillinusetoday,hismodernizationofMendeleev’speriodictable.Firstconstructedinthe1920s,ithasbeenfrequentlyrevisedandreprinted.PhysicalMeasurementLaboratory