"chemist of" is a correct and usable phrase in written English.
For example, "He was a renowned chemist of the 21st century."
BERENBAUM--Morris B. Retired Chemist, of Urbana, IL.
In Zimbabwe's bifurcated economy, Ballyntyne Park Pharmacy is the chemist of the comprador class.
Pauling, who was working at Caltech, in Pasadena, was the foremost chemist of his time.
Aldenov is a theoretical chemist of some repute, having caused quite a flurry in the laboratories with a book called "Actio Chemistry".
He wanted to be a chemist of enduring fame, but sits in his apartment replaying the moment when he picked up Einstein's papers.
The leading chemist of his time in Germany, Klaproth was an exact and conscientious worker who helped to improve and systematize analytic chemistry and mineralogy.
"Microbes are kind of the master chemists of our planet," said Dr. DeLong of the Monterey Aquarium.
Unfortunately for him, his targets of scorn were among the finest younger chemists of his day.
The quest to determine the atomic weights of elements occupied the greatest chemists of the 19th and early 20th centuries.
Made by distilling rose petals with steam, it was created by chemists of the Islamic world in the Middle Ages.
Thus, most chemists of the time believed that it was impossible to produce organic substances entirely from inorganic ones.
