DNA polymerase I was discovered by

Answer: Option C

DNA polymerase I was discovered by Kornberg.
Arthur Kornberg, a prolific researcher who described his career as a “love affair with enzymes,” discovered DNA polymerase, an enzyme critical to DNA replication.
For his discovery, Kornberg shared the 1959 Nobel Prize in Physiology or Medicine with Severo Ochoa, who discovered RNA polymerase I. this enzyme is also referred to as Kornberg enzyme.