Robert Hooke is best known for his studies of light, sound, and microscopic beings. Sometimes called England's Leonardo da Vinci, Hooke's works included detailed drawings and descriptions of his observations of nature, and he was a creative genius and inventor. Although Hooke had enemies who felt that he did not deserve credit for his experiments, he never stopped working and studying. Robert Hooke devoted his life to learning more about the modern world, and many of his findings are used today.