systematist

nouns

a biologist who specializes in the classification of organisms into groups on the basis of their structure and origin and behavior
systematist, taxonomer, taxonomist
is derived from
systematics
is derived from
systematism
an organizer who puts things in order
"Aristotle was a great orderer of ideas"
orderer, systematiser, systematist, systematizer, systemiser, systemizer
is derived from
systematism