Philip Francis Thomas (September 12, 1810October 2, 1890) was an American lawyer, mathematician and politician. He served in the Maryland House of Delegates, was the 28th Governor of Maryland from 1848 to 1851, and was Comptroller of Maryland from 1851 to 1853. He was appointed as the 23rd United States Secretary of the Treasury in 1860 in the Buchanan administration. After unsuccessfully standing for the United States Senate in 1878, he returned to the Maryland House of Delegates, and later resumed the practice of law. Governor of Maryland Born in Easton, Maryland, he graduated from Dickinson College in Pennsylvania in 1830. He studied law and became a lawyer in Easton. He was a delegate to the Maryland's constitutional convention in 1836 and a member of the Maryland House of Delegates in 1838, 1843, and 1845. He was elected as a Democrat to the 26th Congress in 1838 from , but declined to run again in 1840. He went back to his law practice, but returned to politics eight years later when he was elected the 28th Governor of Maryland, a position he held through 1851. While Governor, in 1849 he commissioned Maryland's contribution to the Washington Monument, a marble building stone upon which the colonial Sparrow Seal of Maryland was engraved. From 1851 to 1853, he was Comptroller of Maryland and then collector of the port of Baltimore from 1853 to 1860, and United States Commissioner of Patents for a fragment of that year (February through December). Secretary of the Treasury Thomas was appointed United States Secretary of the Treasury in the Presidential Cabinet of President James Buchanan and served from December 12, 1860 until his resignation on January 14, 1861. When Howell Cobb, the 22nd Secretary of the Treasury resigned in 1860, Buchanan appointed Thomas the 23rd Secretary. Thomas reluctantly accepted the position. Immediately upon entering office, Thomas had to market a bond to pay the interest on the public debt. There was little faith in the stability of the country due to the threat of secession by the Southern United States, and war appeared inevitable. Northern bankers refused to invest in Thomas's loan, wary that the money would go to the South. Following Interior Secretary Jacob Thompson, Thomas resigned after only a month in response to his failure to obtain the loan. Later political career Two years later, he again became a member of the Maryland House of