He was an eye-witness to the ghettoization, eventual mass murder of the Jewish population in 1942 by the Nazis and their collaborators.
hiː wʌz ɐn ˈaɪwˈɪtnəs tə ðə ɡˌɛɾɔɪzˈeɪʃən, ᵻvˈɛntʃuːəl mˈæs mˈɜːdɚɹ ʌvðə dʒˈuːɪʃ pˌɑːpjʊlˈeɪʃən ɪn nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi tˈuː baɪ ðə nˈɑːtsɪz ænd ðɛɹ kəlˈæboːɹˌeɪɾɚz.