The conjoined twin sisters Helen and Judith (1701-1723) and their pictorial impact in later 18th-century science.

Given the uniqueness of the Hungarian conjoined twin sisters Helen and Judith (1701­1723) and their lasting influence as an anatomical showcase if not model for mental or social deviant states, we present here a closer scrutiny of their introduction into the scientific literature of the later 18th century by analyzing depictions of the twins from 1707 onwards.