Sri Caitanya Mahaprabhu, founder of Gaudiya Vaishnavism, immersed into deeper and deeper stages of ecstasy towards Krishna during the last 24 years of his life
His articles in the Back to Godhead often demonstrate variety of legitimate perspectives on different issues and perspectives in spiritual understanding of Gaudiya Vaishnavism.
Jagannātha Dāsa Bābājī (1776–1894) was an influential leader (guru) in the Gaudiya Vaishnava tradition of Hinduism, and is respected as a Mahatma or saint by followers of his lineage.
Bhaktisiddhanta Sarasvati Thakura, (1874–1937), preacher of Gaudiya Vaishnavism throughout India