Charles G. Finney (1792-1875) was an American revivalist preacher and theologian who is regarded as one of the most important figures in the history of American revivalism. Born in Warren, Connecticut, Finney studied law before converting to Christianity and becoming a minister. He became known for his powerful preaching and revival efforts, which brought thousands of people to faith in Jesus Christ. Finney's preaching emphasized the importance of a personal experience of conversion, the need for spiritual revival, and the responsibility of individuals to bring about social reform. He was also a pioneer in using new methods of public advertising and mass communication to promote revival events. Finney's revival efforts had a profound impact on American religion and society and helped to shape the religious landscape of the country. 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.