Crossword Clue:

CHROMATIST one who studies chromatics the science of color

AnswerCrossword Clue
PALEONTOLOGISTOne who studies fossils
MYRMECOLOGISTOne who studies ants
OCULISTOne who studies irises
CPAOne who studies books
MICROBIOLOGISTOne who studies minute organisms
ROENTGENOLOGISTOne who studies X-rays
YOGIOne who studies asanas and pranayama