Throughout the 1960s and 1970s, Rand developed and promoted her Objectivist philosophy through nonfiction works and speeches at colleges and universities.
θɹuːˈaʊt ðə nˈaɪntiːnhˈʌndɹɪd sˈɪksti z ænd nˈaɪntiːnhˈʌndɹɪd sˈɛvənti z, ɹˈænd dɪvˈɛləpt ænd pɹəmˈoʊɾᵻd hɜːɹ ɑːbdʒˈɛktɪvˌɪst fɪlˈɑːsəfi θɹuː nˌɑːnfˈɪkʃən wˈɜːks ænd spˈiːtʃᵻz æt kˈɑːlɪdʒᵻz ænd jˌuːnɪvˈɜːsᵻɾiz.