 When they discover the haughty Earth-centric views of Earth philosophers, they are very much amused by how important Earth beings think they are compared to actual titans such as themselves.In 1892, Robert Potter, an Australian clergyman, published "The Germ Growers" in London.It describes a covert invasion by aliens who take on the appearance of human beings and attempt to develop a virulent disease to assist in their plans for global conquest.