What is the meaning of Gaudiya Vaishnavas?

The term Gauda is an ancient name for Bengal, and a Vaishnava is a devotee of the Supreme Lord Vishnu.

The Gaudiya Vaishnava’s are generally known as followers of Caitanya Mahaprabhu, who rejuvenated the culture of Krsna bhakti in the sixteenth century.

Since Krsna and Vishnu are different aspects of the same Supreme Person, devotees of Krsna are also known as Vaishnavas.

What is the meaning of word Gaudiya Vaishnavas? 
What is the history of Gaudiya Sampradaya? 
What is Disciplic sucession? 
Which are the bonafide vaishanava sampradayas? 
Is Gaudiya Sampradaya bonafide? 
Who are the prominent Gaudiya Vaishnavas? 
Who are prominent vaishnavas from other sampradayas?