Charles De Geer
Swedish entomologist, industrialist and civil servant (1720-1778) · Sweden · Founders · Died at 58
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Something wrong?Charles De Geer was an entomologist, industrialist, civil servant and book collector. He is sometimes referred to as Charles the Entomologist, to distinguish him from other relatives with the same name. Charles De Geer came from a prominent Swedish-Dutch family.
Also in Deutsch
Photos 11
![Kasteel Rijnhuizen [nl] outside Utrecht, where Charles De Geer grew up](https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Open_monumentendag_bij_Fort_Jutphaas_en_Kasteel_Rijnhuizen_%2836961217436%29.jpg/1280px-Open_monumentendag_bij_Fort_Jutphaas_en_Kasteel_Rijnhuizen_%2836961217436%29.jpg)
Kasteel Rijnhuizen [nl] outside Utrecht, where Charles De Geer grew up![Lövstabruk manor. Charles De Geer completed the reconstruction of the house, and added the two pavilions by the water. The pavilion to the left in the picture housed his library, the one to the right his cabinet of natural history and working library of entomologic literature.[16]](https://upload.wikimedia.org/wikipedia/commons/thumb/4/47/L%C3%B6fsta_bruks_huvudbyggnad%2B.jpg/1280px-L%C3%B6fsta_bruks_huvudbyggnad%2B.jpg)
Lövstabruk manor. Charles De Geer completed the reconstruction of the house, and added the two pavilions by the water. The pavilion to the left in the picture housed his library, the one to the right his cabinet of natural history and working library of entomologic literature.[16]![Whooper swan, manuscript illustration from the Book of Birds (Fogelboken) by Olof Rudbeck the Younger and possibly made by him. Charles De Geer bought the book together with several others when the library of Rudbeck was sold at an auction in 1741.[26]](https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Swan%2C_illustration_from_Fogelboken_by_Olof_Rudbeck_the_Younger.tif/lossy-page1-1280px-Swan%2C_illustration_from_Fogelboken_by_Olof_Rudbeck_the_Younger.tif.jpg)
Whooper swan, manuscript illustration from the Book of Birds (Fogelboken) by Olof Rudbeck the Younger and possibly made by him. Charles De Geer bought the book together with several others when the library of Rudbeck was sold at an auction in 1741.[26]
Interior of the main room of Charles De Geer's library at Lövstabruk
A depiction of a small tortoiseshell (Aglais urticae), by De Geer
Portrait and title page of the first volume of De Geer's Mémoires pour servir de l'histoire des insectes
Awards
About this person
Charles De Geer was an entomologist, industrialist, civil servant and book collector. He is sometimes referred to as Charles the Entomologist, to distinguish him from other relatives with the same name. Charles De Geer came from a prominent Swedish-Dutch family. Born in Sweden, he spent most of his childhood and youth in the Dutch Republic. At the age of 18 he moved back to Sweden and would spend the rest of his life there. Upon his return to Sweden, he took over the management of the ironworks of Lövstabruk. He was a successful businessman and with time became one of the richest men in Sweden, head of an early industry employing around 3,000 people. He had a successful civic career, became Marshal of the Court and was elevated to the rank of friherre (baron) in 1773.
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