Who was the founder of Vikramshila Vihar?

Vikramashila University (Vihar) was founded by the Pala King Dharmapala in the late $8^{\text{th}}$ or early $9^{\text{th}}$ century $\text{CE}$. Located in the present-day Bhagalpur district of Bihar, it grew to become one of the most prominent international centers for Buddhist learning alongside Nalanda.