Rumold Mercator
16th century Flemish cartographer / From Wikipedia, the free encyclopedia
Rumold Mercator (Leuven, 1541 – Duisburg, 31 December 1599[1]) was a cartographer and the son of cartographer Gerardus Mercator.
He completed some at the time unfinished projects left after his father's death and added new materials of his own research.