Which historian is known as a preeminent 19th-century historian of New Orleans?

Charles Gayarre is recognized as a premier 19th-century historian of New Orleans due to his significant contributions to the documentation and preservation of the city's history. His works, which include "History of Louisiana," aimed to capture the complexities of Louisiana's past, particularly during the colonial and early statehood periods. Gayarre's emphasis on the importance of New Orleans within the broader context of American history helped illuminate its unique cultural, social, and political developments. His detailed narratives and thorough research have made him a key figure in understanding the historical landscape of New Orleans, solidifying his legacy as a leading historian of that era. The other individuals listed, while notable in their own respects, do not share the same level of distinction in the specific context of 19th-century historical scholarship on New Orleans.