Early work consists of a number of polemic competition entries.
A Retroactive Manifesto for Manhattan . The book documents the symbiotic relationship between mutant metropolitan culture and unique architecture, the research underpinning the book interfuses with OMA's design work. In 1978 a competition entry is completed for the extension of the Dutch Parliament. Rotterdam becomes the base for the OMA office. In 1992 the Kunsthal and its Museum Park in Rotterdam are opened.