‘Novum Organum’ is written by

Francis Bacon is called a natural philosopher. He is also called the Father of English Essay and Father of Modern Prose.
His famous works are Novum Organum, Essays, Divine and Humane, Advancement of Learning, The Wisdom of Ancients and The New Atlantis etc.
Source: An ABC of English Literature, Dr. M Mofizar Rahman and Britannica.com