No biographical information exists for an author known as The Naturalist in standard classical or late antique references. The proposed dating of the 2nd to 4th centuries CE and the use of Christian Koine Greek suggest a context of early Christian engagement with natural philosophy.

This figure is associated with a single treatise, though its title and contents remain unspecified in the sources.

If genuine, a scientific treatise by The Naturalist would belong to the Late Antique tradition of synthesizing classical natural knowledge with Christian theology, exemplified by works like Basil of Caesarea's Hexaemeron. Its specific contribution cannot be assessed without the text.