Dr. Ayub K. Ommaya was a French-Pakistani-American neurosurgeon and the inventor of the Ommaya reservoir. The reservoir is used to provide chemotherapy directly to the tumor site for brain tumors. Ommaya was also a leading expert in traumatic brain injuries. He published over 150 articles, chapters, and books. His research focused on cancer treatment, traumatic brain injury, a CSF artificial organ, and philosophy of mind.