hɪz mˈeɪdʒɚ kˌɑːntɹɪbjˈuːʃən tə ðə fˈiːld ʌv ˌɛvəlˈuːʃənˌɛɹi θˈiəɹi ɪz ðə kˈɪnʃɪp θˈiəɹi ʌv dʒɛnˈɑːmɪk ɪmpɹˈɪntɪŋ.
His major contribution to the field of evolutionary theory is the kinship theory of genomic imprinting.