Robert Nicols Martin was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 politician from Maryland

Maryland

Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...

.

Martin was born in Cambridge, Maryland

Cambridge, Maryland

Cambridge is a city in Dorchester County, Maryland, United States. The population was 12,326 at the 2010 census. It is the county seat of Dorchester County and the county's largest municipality...

, where he attended the public schools. He studied law, was admitted to the bar, and practised at Princess Anne

Princess Anne, Maryland

Princess Anne is a town in Somerset County, Maryland, United States. The population was 2,313 at the 2000 census. It is the county seat of Somerset County.Princess Anne is included in the Salisbury, Maryland Metropolitan Statistical Area....

 from 1819 to 1827. He was elected to the Nineteenth Congress, where he served from March 4, 1825 to March 3, 1827.

After his term, Martin settled in Baltimore and resumed the practice of law. He was appointed by Governor Thomas Pratt

Thomas Pratt

Thomas George Pratt was a lawyer and politician from Annapolis, Maryland. He was the 27th Governor of Maryland from 1845 to 1848 and a U.S. Senator from 1850 to 1857.-Early life and career:...

 as judge of the Maryland Court of Appeals

Maryland Court of Appeals

The Court of Appeals of Maryland is the supreme court of the U.S. state of Maryland. The court, which is composed of one chief judge and six associate judges, meets in the Robert C. Murphy Courts of Appeal Building in the state capital, Annapolis...

 and as chief justice of the western judicial district in 1845, in which capacity he served until the office was vacated by the Maryland Constitution of 1851

Maryland Constitution of 1851

The Maryland Constitution of 1851 was the second constitution of the U.S. state of Maryland following the revolution, replacing the Constitution of 1776. The primary reason for the new constitution was a need to re-apportion Maryland's legislature, the Maryland General Assembly...

. He again engaged in the practice of his profession in Baltimore. He later served as judge of the superior court of Baltimore from 1859 to 1867, and as professor of international law

International law

Public international law concerns the structure and conduct of sovereign states; analogous entities, such as the Holy See; and intergovernmental organizations. To a lesser degree, international law also may affect multinational corporations and individuals, an impact increasingly evolving beyond...

 at the University of Maryland, Baltimore

University of Maryland, Baltimore

University of Maryland, Baltimore, was founded in 1807. It comprises some of the oldest professional schools in the nation and world. It is the original campus of the University System of Maryland. Located on 60 acres in downtown Baltimore, Maryland, it is part of the University System of Maryland...

 from 1867 to 1870. He died at Saratoga Springs, New York

Saratoga Springs, New York

Saratoga Springs, also known as simply Saratoga, is a city in Saratoga County, New York, United States. The population was 26,586 at the 2010 census. The name reflects the presence of mineral springs in the area. While the word "Saratoga" is known to be a corruption of a Native American name, ...

, and is interred in the Christ Protestant Episcopal Church Cemetery in Cambridge.