Plutarch is the notable author known for his biography of Julius Caesar, which is part of his larger work, "Parallel Lives." This collection compares the lives of notable Greeks and Romans, offering insights into their personal characteristics and moral virtues. Plutarch's account of Caesar explores his political maneuvers, military prowess, and eventual assassination, providing a detailed understanding of his impact on history. Plutarch’s writings have influenced not only historical scholarship but also literary works and biographies through their engaging narrative style.