4 adjectives to describe curator

Began as aid in cryptogamic botany, United States National Herbarium, 1899, and is now associate curator of the same.

It was purchased by Mr. A.W. Franks, F.S.A., and is one of the many valuable specimens given to the British Museum by its generous curator.

"The gentlemanly curator of the side-show always says of the wild man thoughtfully, 'I believe he has a few photographs for sale.'

Does the "Gastronomic Regenerator," out of respect to the fastidious sentiments of its author, occupy a separate apartment in that institution with a separate curator?

4 adjectives to describe  curator