

By the second half of the 17th century, the Blaeu family monopolized the field of map making in Amsterdam by buying rivals’ copperplates, the instrument needed to print a map. published in 1605, put his name on the highly competitive map market. His first world map, Nova Totius Terrarum Orbis Geographica ac Hydrographica. Creating celestial globes would be the beginnings of Blaeu’s career as a cartographer. In 1598, the same year Blaeu watched and charted a solar eclipse over Humburg he made and published a celestial globe, 34 cm in diameter and based the globe on Tycho Brahe's unpublished star catalogue. He then returned to the Netherlands where he continued his studies of astronomy for several years and even married Maertgen Cornelisdr of Uitgeest and in 1596 his son Joan Blaeu was born. Blaeu was advanced in his studies and reached an impressive level of scientific standard for which he was invited to study alongside the famous astronomer Tycho Brahe on the private Island of Hvn during the years 1595-1596. Blaeu had little interest in the fishing market and instead turned his sights on mathematics. Willem Janzoon Blaeu (1571-1638) was born in the Netherlands and moved to Amsterdam at the age of twenty-three to learn the family business of the herring trade. Ortelius died in 1589 at the age of seventy-one. This recognition provided Ortelius with a large substantial income that he invested into world travels. Later in his life, Abraham Ortelius was honored with the title of Royal Geographer for the Spanish Crown under the direction of King Phillip II of Spain. It would be two hundred years later that his idea of Continental Drift would be understood and acknowledged within the scientific community and later became known as Pangea. When he presented this idea to his colleagues, he was ridiculed and from that point on began a life of academic isolation. He noticed through observation that the continents seemed to fit together as if they had been torn apart and illustrated his theory in the Typus Orbis Terrarum. Ortelius was the first to present the idea of Continental Drift.

He developed a keen interest in geography and began to publish maps about the places he had visited. Ortelius was an experienced traveler and visited many regions of the world, even conducting merchant business for multiple years in Germany, Italy, and the Low Countries (Netherlands, Belgium, and Luxemburg). Luke’s and began painting and illustrating maps. At the age of twenty he was accepted into the guild of St.
THEORY OF ABRAHAM ORTELIUS PROFESSIONAL
Ortelius made his living during his younger years as a professional illuminator. Ortelius grew up in Antwerp as the son of a wealthy merchant where he began to sell maps as a young boy. Abraham Ortelius (1527-1598) was a renowned Flemish cartographer who composed some of the most influential maps of the Middle Ages, including the world’s first atlas Theatrum Orbis terrarum.
