In 1990, after an ideological disagreement with Peikoff, David Kelley founded the Institute for Objectivist Studies, now known as The Atlas Society.
ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti, ˈæftɚɹ ɐn ˌaɪdɪəlˈɑːdʒɪkəl dˌɪsɐɡɹˈiːmənt wɪð pˈeɪkɔf, dˈeɪvɪd kˈɛli fˈaʊndᵻd ðɪ ˈɪnstɪtˌuːt fɔːɹ ɑːbdʒˈɛktɪvˌɪst stˈʌdiz, nˈaʊ nˈoʊn æz ðɪ ˈætləs səsˈaɪəɾi.