Herbert George Wells, commonly known as H.G. Wells, was a prominent English writer best known for his science fiction novels, including "The War of the Worlds," "The Time Machine," and "The Invisible Man." He was a visionary author who explored themes such as time travel, alien invasion, and the potential consequences of scientific and technological advancements. Wells' works have had a lasting impact on the science fiction genre and continue to be widely read and studied today. In addition to his literary contributions, Wells was also a social commentator and advocate for various progressive causes.