Treu, CJ (English spelling) TreuCJ

...And this demand happened to be realized by the technical development of copperplate printing, which happened to occur at the same time. In the Netherlands, Jan Sepp (1778-1853) produced the "Encyclopedia of Butterflies" and was a pioneer in the creation of illustrated guides that considered the ecology of specimens rather than simply copying them. In Germany, Christopher Jacob Treu (1695-1796) was active, who gathered top artists and printmakers such as Georg Dionysius Ehret (1708-70) mainly in Nuremberg and had them produce many natural history guides. In the second half of the 18th century, GLL Buffon appeared and published "Natural History," which became the first illustrated natural history book to become a best-seller. ...

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Source | Heibonsha World Encyclopedia 2nd Edition | Information

…そしてこの要請は，たまたま時期を同じくした銅版画の技法的発展によって実現されることになった。オランダでは《蝶図鑑》を制作し，単なる標本の模写でなく生態をも考えた図鑑の先駆をなしたセップJan Sepp(1778‐1853)，ドイツではニュルンベルクを中心にエーレトGeorg Dionysius Ehret(1708‐70)など一流の画工と版画師を集め，多数の博物図鑑の制作にあたらせたトレウChristopher Jacob Treu(1695‐1796)などが活躍した。18世紀後半にはG.L.L.ビュフォンが出て《博物誌》を出版し，図入り博物学書として初めてベストセラーとなった。…

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