systematist

Noun

systematist (plural systematists)

1. A biologist who studies systematics.
   • Hence I look at individual differences, though of small interest to the systematist, as of high importance for us, as being the first step towards such slight varieties as are barely thought worth recording in works on natural history.1859, Charles Darwin, On the Origin of Species
2. A follower of systematism; one who reduces things to a system.