fˈɑːstɚ lˈɛft ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti tˈuː tə fˈɔːɹm hɪz ˈoʊn fˈɜːm, ɹˈɪtʃɚd fˈɑːstɚɹ ɐsˈoʊsɪˌeɪts, bˌʌt æz ɐn ˌɪndᵻpˈɛndənt ˈɑːɹkɪtˌɛkt ɹᵻtˈɜːnd tə wˈɜːk ˌɔn mˈeɪdʒɚ pɹˈɑːdʒɛkts wɪð dʒˈɑːnsən ˌɪntʊ ðə nˈaɪntiːnhˈʌndɹɪd sˈɛvənti z.
Foster left in 1962 to form his own firm, Richard Foster Associates, but as an independent architect returned to work on major projects with Johnson into the 1970s.