Initially, this view was adopted even by the early comparative linguists such as Franz Bopp.

In the case of English, this happened first in continental Europe, where it was studied by historical and comparative linguists.

But some very clever comparative linguists, beginning in Germany in the 19th century, theorized about how the nature of the ancestors of the more modern tongues.

Dybo A. V. (Philologist, Turkologist, comparative linguist)

Thieme was also a comparative linguist, studying Iranian and Indo-European languages in general.

Grammarians and other comparative linguists, however, do not consider this to constitute a zero copula but rather an affixal copula.

However, the proposed Indo-Pacific relationship has not been established through the comparative method, and has been dismissed as speculation by most comparative linguists.

Sidney Herbert Ray (May 28, 1858 - January 1, 1939) was a comparative and descriptive linguist who specialized in Melanesian languages.

Anne Davis," the bio at the beginning told her, "was a Heidelberg Fellow and respected comparative linguist.

However, this theory has been increasingly contested among comparative linguists.