Blaeu
or Blaeuw, Blaew
[ blou ]
/ blaʊ /
noun
Wil·lem Jans·zoon
[vil-uh m yahn-suh n, -sohn] /ˈvɪl əm ˈyɑn sən, -soʊn/,1571–1638,
Dutch cartographer, geographer, astronomer, and mathematician.