Looking back on the pioneering artist, curator and media theorist’s life and career

Cleverly combining digital models, existing artworks, new commissions and archival material, the group exhibition at ZKM, Karlsruhe, recreates two historic shows

At Kunsthalle Mainz, the artist contrasts presence and absence to question the truth of captured events

At Bonner Kunstverein, the late Filipino artist’s first European retrospective is a poetic tribute to an oeuvre that refuses to be categorized