Krzysztof Wodiczko is an author of over 80 projections in various places around the world, on building walls and public monuments in urban space, which he animates with the images and voices of homeless people, immigrants, victims of family violence or marginalised minorities. He is also an author of vehicles and instruments allowing those who, deprived of their rights, remain mute and invisible, to speak out and gain a presence in public space. Multimedia artist, theoretician, university professor, former director of the Center for Advanced Visual Studies, MIT (Cambridge, Massachusetts), currently running a programme called Art, Design, and the Public domain at Harvard University and teaching at the Warsaw School of Social Sciences and Humanities (SWSP).