Final answer:
Francesco Petrarch is credited with being the father of humanism and reviving interest in classical literature.
Step-by-step explanation:
The early Renaissance thinker credited with being the father of humanism and playing a significant role in reviving interest in classical literature is Francesco Petrarch. Humanism was an intellectual movement that focused on the study of human beings, human nature, and human achievements, and Petrarch devoted himself to the study of Greek and Roman scrolls. By emphasizing the value and dignity of humanity and the wisdom of the ancient Greek and Roman civilizations, Petrarch and other humanists sought to improve themselves and their societies.