BLAEU, Willem Janszoon
BLAEU, Willem Janszoon – Willem Janszoon Blaeu, also abbreviated to Willem Jansz. Blaeu, was a Dutch cartographer, atlas maker, and publisher. Along with his son Johannes Blaeu, Willem is considered one of the notable figures of the Netherlandish or Dutch school of cartography during its golden age in the 16th and 17th centuries.