Gaëtan du CHATENET, member of the National Natural History Museum and expert for the French Ministry of foreign Affairs, has always been interested in studiing beetle's systematic and ecology. He worked at the Laboratory of Entomology of the National Natural History Museum. Many missions led him all around Europe but also in South America, Middle East, Seychelles, Africa or Galapagos.
Acknowledged entomologist and also painter, Gaëtan du CHATENET is the author of many works on natural science :

- " Phytophagous beetles of Europe ",
- " Guide of european beetles ",
- " The book about insects ",
- " Birds of Colombia ",
- " Jays of the world ",
- " Galapagos ",
- "The book about amphibians and reptiles ".

In the same way, he painted several vellums for the prestigious collection of the National Natural History Museum and carried out the capters about nature of the Hachette guides.

Gaëtan du CHATENET is considered by many specialists as one of the greatest naturalist painter of this century.