Complex sentence: Dubbed by the media as "Gentleman Jim Corbett," and rumored to be college-educated although he had in fact never gone beyond grammar school, he also pursued a career in acting, performing at a variety of theaters.
Split into simpler sentences: Dubbed by the media as "Gentleman Jim Corbett," he was rumored to have a college education, although in reality, he had never gone beyond grammar school. He also pursued a career in acting, performing at a variety of theaters.