Rem Koolhaas
Madelon Vriesendorp (born 1945, Bilthoven) is a Dutch artist, painter, sculptor and art collector. She was married to Rem Koolhaas and best known as one of the co-founders of the Office of Metropolitan Architecture (OMA) in the early 1970s (together with Rem Koolhaas and Elia Zenghelis and Zoe Zenghelis). Vriesendorp would often create visuals and graphics for OMA in the early years.