hɪz spˌɛʃɪˈælᵻɾi ɪz məlˈɛkjʊlɚ baɪˈɑːlədʒi ænd hɪz ɹᵻsˈɜːtʃ ˌɔn aɪdˈɛntᵻfˌaɪɪŋ ðə kˈɛmɪkəl pɹˈɑːsɛsᵻz ʌv dɪzˈiːzᵻz hɐz lˈɛd tə ðə dɪvˈɛləpmənt ʌv dɹˈʌɡz tə tɹˈiːt ˈeɪdz, kˈænsɚ, kˈæɾɐɹˌækts ænd dˌaɪəbˈiːɾiːz.
His speciality is molecular biology and his research on identifying the chemical processes of diseases has led to the development of drugs to treat Aids, cancer, cataracts and diabetes.