(September 17, 1825 — January 23, 1893) Lamar was a lawyer, professor of mathematics, judge, and politician. Lucius Quintus Cincinnatus Lamar was born in Putnam County, Georgia and moved to Mississippi in 1849. He graduated from Emory College in Oxford, George and was admitted to the bar in 1847. He then practiced law and worked as a professor of mathematics at the University of Mississippi at Oxford. Lamar was elected as a Democrat to the United States House of Representatives and served during the Thirty-Fifth and Thirty-Sixth Congresses and retired in December 1860 in order to join the secession convention of Mississippi. Lamar drafted the Mississippi ordnance of secession and served as a diplomat for the Confederacy to Russia, France, and England. He was part of the State constitutional conventions in 1865, 1868, 1875, 1877, and 1881. Lamar was elected as a Senator to the United States Congress and served during the Forty-Third and Forty-Fourth Congresses from 1873 to 1877, and again from 1876 to 1885. After serving in Congress, he was appointed Secretary of the Interior by President Grover Cleveland and served in that capacity from 1885 to 1888. To round out service in all three branches of government, Lamar was appointed as an Associate Justice to the Supreme Court of the United States in 1888. He served as a Supreme Court justice until his death in 1893. [Source: “Biographical Directory of the United States Congress, 1774 - Present,” available at https://bioguide.congress.gov/search/bio/L000030]