Again, Hinduism is not a single institution, but a vast, complex collection of schools, subschools, sects, subsects, etc., that together make up what is known as "Hinduism." As such, there can be no single founder, but rather a diverse group of men and women who have contributed, over the course of two millennia, essential philosophical and ritual and devotional principles that, together, can be understood to make up the whole of the religion.
1. Who was Manu?
2. What was Shankara Acharya's contribution to Hinduism?
3. Who was Ramanuja, and how did his teachings conflict with those before him?
4. Why is it incorrect to classify Hinduism as a single institution?