Nimbarka
Nimbarka, also known as Nimbarkacharya, Nimbaditya or Niyamananda, was a Hindu philosopher, theologian and the chief proponent of the theology of Dvaitādvaita (dvaita–advaita) or dualistic–non-dualistic sometimes known as Svābhāvika bhedābheda. He played a major role in spreading the worship of the divine couple Radha and Krishna, and founded the Nimbarka Sampradaya.