hiː wʌz ˈɔːlsoʊ ɐ wɔlˈuːn mˈuːvmənt ˈæktɪvˌɪst ænd æt ðɪ ˈɛnd ʌvðə wɔlˈuːn nˈæʃənəl kˈɑːŋɡɹəs ðɛɹwˌʌz ɐ stˈændɪŋ oʊvˈeɪʃən ˈæftɚ hɪz spˈiːtʃ, ðɪ ɐsˈɛmbli ðˈɛn sˈɪŋɪŋ lˌæ mˌɑːɹseɪlˈeɪz.
He was also a Walloon movement activist and at the end of the Walloon National Congress there was a standing ovation after his speech, the assembly then singing La Marseillaise.