Encouraged by his former commanding officer General Nathanael Greene, who had acquired the plantation at Mulberry Grove where Eli Whitney would later invent the cotton gin, Baldwin moved to Georgia. He was recruited by fellow Yale alumnus Governor Lyman Hall, another transplanted New Englander, to develop a state education plan. Baldwin was named the first president of the University of Georgia and became active in politics to build support for the University, which had not yet enrolled its first student. He was soon appointed as a delegate to the Confederation Congress and then to the Constitutional Convention; in September 1787 he was one of the state’s two signatories to the U.S. Constitution. Abraham Baldwin remained president of the University of Georgia during its initial development phase until 1800. During this period, he also worked with the legislature on the college charter. In 1801, Franklin College, UGA's initial college, opened to students. Josiah Meigs was hired to succeed Baldwin as first acting president and oversee the inaugural class of students. The first buildings of the college were architecturally modeled on Baldwin's and Meigs's alma mater of Yale where they both had taught.
Politics
Baldwin was elected to the Georgia Assembly, where he became very active, working to develop support for the college. He was able to mediate between the rougher frontiersmen, perhaps because of his childhood as the son of a blacksmith, and the aristocratic planter elite who dominated the coastal Lowcountry. He became one of the most prominent legislators, pushing significant measures such as the education bill through the sometimes split Georgia Assembly. He was elected as representative to the U.S. Congress in 1788. The Georgia legislature elected him as U.S. Senator in 1799 He served as President pro tempore of the United States Senate from December 1801 to December 1802. He was re-elected and served in office until his death.
Death and legacy
On March 4, 1807, at age 52, Baldwin died while serving as a U.S. senator from Georgia. Later that month the Savannah Republican and Savannah Evening Ledger reprinted an obituary that had first been published in a Washington, D.C., newspaper: "He originated the plan of The University of Georgia, drew up the charter, and with infinite labor and patience, in vanquishing all sorts of prejudices and removing every obstruction, he persuaded the assembly to adopt it." His remains are interred at Rock Creek Cemetery in Washington, DC.