dʒˈoʊl hˈeɪdən, ɐ ɡɹˈædʒuːət ʌv dˈiːp spɹˈɪŋz kˈɑːlɪdʒ, ænd hɪz wˈaɪf ɹˈuːθ hˈeɪdən hɐdbɪn pɹəfˈɛsɚz æɾ ˈæntiːˌɑːk kˈɑːlɪdʒ ɪn oʊhˈaɪoʊ, ænd ɹˈɑːbɚt ænd θˈɜːɹə hˈaɪndmɑːɹʃ wɜːɹ ɐɡɹˈɑːnəmˌɪsts hˌuː ɐdvˈaɪzd fˈɑːɹmɚz ɪn dˈɪɹfiːld, mˌæsɐtʃˈuːsɪts.
Joel Hayden, a graduate of Deep Springs College, and his wife Ruth Hayden had been professors at Antioch College in Ohio, and Robert and Thera Hindmarsh were agronomists who advised farmers in Deerfield, Massachusetts.