Organon was only the latest of many middle-sized European drugs firms to succumb to a takeover: Switzerland's Serono and Germany's Schering, Altana and Schwarz were all sold in 2006.
She also controls chemical manufacturer Altana and holds stakes in wind power outfit Nordex AG and carbon and graphite producer SGL and Geohumus, which focuses on developing a water storing granulate to be used in agriculture.