Who was originally part of the concept of the four Vaishnava sampradayas and which school was not in it? What was the status of Chaitanya’s school in this concept?

In Northern India, the idea that there are Four true Vaishnava Sampradayas is prevalent among the Vaishnava schools. About disciplic successions of the Chaitanya school

There are videos of Vishvesha Tirtha glorifying Prabhupada and saying that Caitanya's teachings and Madhva's teachings are the same.

Prophecy of Chaitanya Mahaprabhu from Adi Purana and Brihad Naradiya Purana. From the passage we see that it was composed no earlier than the nineteenth and twentieth centuries

Does Shrimad Bhagavatam 11.5.32 really speak of avataras and Kali-yuga Avatara? Does the Purana predict appearance of Chaitanya Mahaprabhu? The image of Chaitanya was formed within a hundred years of

Vishvanatha Chakravarti Thakur states that the words channah kalau (“hidden in Kali”) in the Bhagavata Purana imply Chaitanya. From Prabhupada's point of view, channah kalau is Chaitanya's

In dealing with the Narada Pancharatra, one should keep in mind three different treatises denoted as Narada Pancharatra. One is not a treatise, but quotations composed presumably before the sixteenth century

Any preacher or person can claim to be this deity — whoever likes. The words apply to Chaitanya as much as to any other god or person. Taking words out of context and interpreting them in their own favour

Narayana Maharaja created his translation from phrases and ideas that do not exist in the stanza. Why are these words considered to be a prophecies of Chaitanya’s divinity and proofs for his descent to earth? The passage was not mentioned by Rupa

All that has been said about the Chaitanya Upanishad applies equally to the Gopala Tapani Upanishad, the Krishna Upanishad and the Purusha Bodhini Upanishad (Purusha Bodhini Shruti), passages from which Chaitanya's followers quote as prophecies.