Ramanuja: Born in A.D. 1166 in a small town near Chenni (Madras), Ramanuja was a worshipper of Vishnu and preached Vaishnavism. He had a great following in the South. Ramananda: The greatest preacher of this cult in north India was Ramananda. He discarded all caste distinctions and his disciples belonged to all castes.
Kabir: He was perhaps the most popular reformer of his times. He was a disciple of Ramananda. Kabir was against idol worship or any sort of rituals.
Namdeva: He was a Maratha saint, born into a low family. He too believed in the oneness of God. He travelled far and wide and had discussions with the Sufis. A large number of Muslims also became his followers.
Guru Nanak : Nanaka was born in 1469 in the village to Talwandi. Presently the place is known as Nankana in the Sheikhupura district of West Punjab. His parents belonged to Khatri caste. His father Kalu was the Patwari of the village. Nanaka was educated in the village school.
Vallabhacharya : Vallabhacharya was a Tailang Brahmin. He preached the worship of Vishnu in the form of Krishna. He was born in 1479 in the Telugu country. He visited Mathura, Vrindavan and many other sacred places and finally settled at Varanasi. The feeling of Bhakti or devotion can be traced back to the Rig Veda. It is the very first hymn of the Rig Veda, which gives expression to a feeling of intimacy with the highest god. In the Katha Upanisad it is said that the divine help, which is the reward to Bhakti, is necessary before one can be saved.
Chaitanya Mahaprabhu: He was a religious teacher from Bengal and an ardent devotee of Lord Krishna. HE travelled widely and popularized hymns sung in praise of Krishna.
Mirabai: Mirabai was a Rajput princess and a passionate devotee of Krishna. She preached in Brijbhasha, the common language of the people. Her song and verses are very popular even today.