ɪnðɪ ˈɜːli nˈaɪntiːnhˈʌndɹɪd sˈɪksti z, hˈɪŋkɪnz tˈʊk ɐ kˌɔːɹɪspˈɑːndəns kˈoːɹs wɪððɪ ˈeɪntʃənt mˈɪstɪkəl ˈɔːɹdɚ ɹˈɑːsiː kɹˈuːsɪs ænd əkˈeɪʒənəli ɐtˈɛndᵻd ðɪ æɡˈæʃə tˈɛmpəl ʌv wˈɪzdəm.
In the early 1960s, Hinkins took a correspondence course with the Ancient Mystical Order Rosae Crucis and occasionally attended the Agasha Temple of Wisdom.