ðɪ ˌɔːɹɡɐnᵻzˈeɪʃən wʌz fˈɜːst ɪstˈæblɪʃt ɪn nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi sˈɪks æz ðɪ ˈoʊk ɹˈɪdʒ ˈɪnstɪtˌuːt ʌv nˈuːklɪɹ stˈʌdiz ˈɔːɹɪnz wɪð fˈoːɹtiːn jˌuːnɪvˈɜːsᵻɾi mˈɛmbɚz.
The organization was first established in 1946 as the Oak Ridge Institute of Nuclear Studies (ORINS) with 14 university members.