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Willem Janszoon Blaeu was a Dutch cartographer and map publisher.
Willem studied astronomy and cartography under the Danish astronomer Tycho Brahe and even discovered the variable star P Swan in 1600. A little later Blaeu settled in Amsterdam, where he began making globes and also began producing land and sea maps, including a 1605 world map. In 1629 he managed to acquire the printing plates of the cartographer Jodok Hondius, with which he published his own atlas.
In 1633, Willem Blaeu was appointed cartographer of the Dutch Republic, as well as the official cartographer of the Dutch East India Company. Blau built up a large collection of maps and conducted an extensive publishing business. After Willem's death, his sons Jan Blaeu (1596-1673) and Cornelius Blaeu successfully continued his work. But in 1672, during a fire in Amsterdam, Blaeu's workshop was destroyed, and the company founded by Willem Blaeu ceased to exist in 1698.
![[FOSTER, George (fl. 1735-1740)] – Robert SAYER (1735-1794).](/assets/image/picture_4361590/74b5a/13dca103bbf8f022f3e8439e6036e3811733871600jpg__fix_374_244.jpeg)
![[FOSTER, George (fl. 1735-1740)] – Robert SAYER (1735-1794).](https://veryimportantlot.com/assets/image/picture_4361590/74b5a/13dca103bbf8f022f3e8439e6036e3811733871600jpg__fix_374_244.jpeg)
![[FOSTER, George (fl. 1735-1740)] – Robert SAYER (1735-1794).](/assets/image/picture_4084812/eead4/rh5-akqejyjmaug43ncvjup-kaf74qit0wesbihrffucjgdpjhfhqhahybonknkw1719908507jpg__fix_374_244.jpeg)
![[FOSTER, George (fl. 1735-1740)] – Robert SAYER (1735-1794).](https://veryimportantlot.com/assets/image/picture_4084812/eead4/rh5-akqejyjmaug43ncvjup-kaf74qit0wesbihrffucjgdpjhfhqhahybonknkw1719908507jpg__fix_374_244.jpeg)
![VISSCHER, Nicolaes, II (1649-1702) [and Elizabeth VISSCHER (fl.1702-1726)]](/assets/image/picture_4084580/9963a/3crheit0onn8d00dvgq0ob8-udmpgqincbfiejjep8fv8qql0z2uup-dvdvgi00l1719907278jpg__fix_374_244.jpeg)
![VISSCHER, Nicolaes, II (1649-1702) [and Elizabeth VISSCHER (fl.1702-1726)]](https://veryimportantlot.com/assets/image/picture_4084580/9963a/3crheit0onn8d00dvgq0ob8-udmpgqincbfiejjep8fv8qql0z2uup-dvdvgi00l1719907278jpg__fix_374_244.jpeg)
Jan (Joan) Willemsz. Blaeu was a Dutch cartographer, publisher and judge.
Jan was born into the family of the cartographer and publisher Willem Janszoon Blaeu (1571-1638). He studied in Leiden, where he earned a doctorate in law, and in Padua. He then began to assist his father, who was engaged in the manufacture of globes and maps. After his father's death, Jan, together with his brother Cornelius, continued his work, and succeeded him as cartographer for the Dutch East India Company.
In 1651 Blaeu was elected to the Amsterdam city council and later appointed as a judge. At the same time, he was engaged in his publishing business: he continued to publish volumes of Atlas novus, which contained maps of English counties and, for the first time, an atlas of Scotland, as well as one volume of maps of the Far East.
Blaeu did not have time to complete his most ambitious project, but it made him famous as the author of the famous 11-volume Dutch atlas. Based on his previous maps, Blaeu created the Great Atlas (Atlas Maior) - it contained nearly 600 maps and a total of 3,000 pages of Latin text - and was published in 1662. Blaeu's maps were groundbreaking for their time because they were created in accordance with the heliocentric theories of Nicolaus Copernicus.
In 1672, a great fire in Amsterdam destroyed Blaeu's workshop, and the cartographer died a year later, apparently never recovering from this stroke of fate.
Willem Janszoon Blaeu was a Dutch cartographer and map publisher.
Willem studied astronomy and cartography under the Danish astronomer Tycho Brahe and even discovered the variable star P Swan in 1600. A little later Blaeu settled in Amsterdam, where he began making globes and also began producing land and sea maps, including a 1605 world map. In 1629 he managed to acquire the printing plates of the cartographer Jodok Hondius, with which he published his own atlas.
In 1633, Willem Blaeu was appointed cartographer of the Dutch Republic, as well as the official cartographer of the Dutch East India Company. Blau built up a large collection of maps and conducted an extensive publishing business. After Willem's death, his sons Jan Blaeu (1596-1673) and Cornelius Blaeu successfully continued his work. But in 1672, during a fire in Amsterdam, Blaeu's workshop was destroyed, and the company founded by Willem Blaeu ceased to exist in 1698.
Isaac Weld was an Irish explorer, writer, and artist.
After completing his studies, Isaac Weld traveled to the new lands of America in 1795, meeting Thomas Jefferson and George Washington. The purpose of his journey was to learn of opportunities for Irish resettlement. Returning in 1797, Weld soon published his book, A Journey through the States of North America and the Provinces of Upper and Lower Canada. In general, Weld did not like the United States; he particularly noted the practice of slavery and the treatment of Native peoples by the rude new Americans. But he liked Canada and Quebec: he praised the views from the Citadel and reported that because of the low cost of land, a middle-income person could easily settle in the country for himself and his family.
This book by Weld was quite popular: it went through several editions from its first publication in 1799 to 1807. By 1820, it had also been translated into French, German, Italian, and Dutch.
In 1800 Weld was elected a member of the Royal Society of Dublin. In 1811 and 1812 he served on the library committee, and on December 4, 1828, he was elected honorary secretary. His first act in this capacity was to establish an annual exhibition of specimens of the manufactures and products of Ireland. Isaac Weld published several other books on Ireland and Great Britain, illustrated with his own drawings. Of these, his Statistical Survey of the County of Roscommon, over seven hundred pages long, published by the Royal Dublin Society in 1832, stands out.
