Which Georgia governor was known for his progressive reforms and restoring accreditation to the state's institutions of higher education?

Ellis Arnall is the correct choice because he served as governor of Georgia from 1943 to 1947 and was renowned for his progressive reforms aimed at modernizing the state. One of his significant achievements was the successful restoration of accreditation to several institutions of higher education in Georgia that had lost this status due to mismanagement. Arnall's administration focused on improving education, promoting civil rights, and reforming the state's governmental structure, marking a shift towards more progressive policies during a time of considerable social change in the U.S. His leadership is often credited with laying the groundwork for future advancements in Georgia's educational and civil rights landscape. This legacy makes him a pivotal figure in Georgia's historical narrative concerning reform and progressivism.