originist
/əˈrɪdʒɪnɪst/ /əˈrɪdʒ(ə)nɪst/noun
A person concerned with the origin or beginning of things; specifically one who holds a particular view of the origins of life, peoples, races, etc.
Origin
Late 17th century; earliest use found in Richard Burthogge (bap. 1638, d. 1705), philosopher. From origin + -ist.