EntityQ91086· pop 6· linked from 5 articlesJohannes MejerSign in to saveGerman mathematician and cartographer (1606–1674)ConnectionsastronomyEntityCopenhagenEntityInternational Standard Book NumberEntitymathematicianEntityTycho BraheEntitycartographyEntityHeligolandEntityalmanacEntitypastorEntityChristian IV of DenmarkEntityGerman National LibraryEntityHusumEntityAabenraaEntityRoyal Danish LibraryEntityBovenauEntitySchleiEntityAllgemeine Deutsche BiographieEntityFrederick III, Duke of Schleswig-Holstein-GottorpEntityJoan BlaeuEntityWillem BlaeuEntityCategories1606 births1674 deaths17th-century cartographers17th-century Danish mathematiciansDanish cartographersNorth FrisiansPeople from Husum