 Ishvara Krishna follows several earlier teachers of Samkhya and is said to come from Kausika family.He taught before Vasubandhu and is placed following Kapila, Asuri, Panca Shikha, Vindhyavasa, Varsaganya, Jaigisavia, Vodhu, Devala and Sanaka.Samkhya karika was probably composed sometime in the Gupta Empire period, between 320-540 CE.