Rembrandt Research Project

'Unafraid of upsetting the applecart': leading Rembrandt scholar Ernst van de Wetering has died, aged 83

The Dutch art historian, who worked on the Rembrandt Research Project for 47 years, made radical changes to the study of the Old Master painter

Its attribution restored, a Rembrandt portrait goes on view in Pennsylvania

A scientific analysis and conservation effort unveiled signature brush strokes and other marks of the master