Dwight L. Moody (1837-1899) was an American evangelist and publisher who was one of the most influential Christian leaders of the 19th century. Born in Northfield, Massachusetts, Moody was converted to Christianity as a young man and soon became known for his powerful preaching and revival efforts. He was a pioneer in the use of mass communication to promote revival events and his revival campaigns were attended by hundreds of thousands of people in the United States and Britain. Moody was also a strong advocate for social reform, and his revival efforts were often linked to efforts to combat poverty, slavery, and other social issues of the time. In addition to his revival efforts, Moody was also the founder of several institutions, including the Moody Bible Institute and the Moody Publishers. He is remembered as one of the most influential Christian leaders of the 19th century and his legacy continues to inspire new generations of Christians today.