S. Lach-Szyrma where the planet's ecosphere is dominated by fungi and invertebrates and the 1901 novel A Honeymoon in Space by George Griffith where it is populated by seaweed, reptiles, and primitive humanoids. Saturn is also sometimes portrayed as devoid of life, as in the 1936 short story "Mad Robot" by Raymond Z. Gallun. Humanity takes refuge on Saturn in the 1935 short story "Earth Rehabilitators, Consolidated" by Henry J. Kostkos, and the first crewed voyage to Saturn by humans is depicted in the 1941 short story "Man of the Stars" by Sam Moskowitz. Later depictions – gaseous Once it was established that Saturn is a gaseous planet, most works depicting such an environment were instead set on Jupiter. Nevertheless, Saturn remains a popular setting in modern science fiction for several reasons including its atmosphere being abundant with sought-after helium-3 and its magnetosphere not producing as intense radiation as that of Jupiter. Humans live in floating cities in Saturn's atmosphere in the 1976 novel Floating Worlds by Cecelia Holland and the 1991 novel The Clouds of Saturn by Michael McCollum. A voyage into the atmosphere is depicted in the 1985 short story "Dreadsong" by Roger Zelazny, and aliens are depicted as living in the atmosphere in the 1997 novel Saturn Rukh by Robert L. Forward. In the 1996–1999 The Night's Dawn Trilogy by Peter F. Hamilton, Saturn is a place where biological spaceships are created. Both Saturn and its largest moon Titan are visited in Ben Bova's Grand Tour series in the 2003 novel Saturn and the 2006 novel Titan, respectively. In cinema, Saturn is visited by means of a recovered alien spacecraft in the 1968 film The Bamboo Saucer, serves as the destination for a nature reserve containing post-apocalyptic Earth's remaining plant life in the 1972 film Silent Running, and is devoured by Galactus in the 2007 film Fantastic Four: Rise of the Silver Surfer. The planet has also been featured in several comic books; the DC hero Jemm is from Saturn, and the evil Kronans in Marvel's Thor comics have a base there. Saturn appears as a major location in the role-playing games Jovian Chronicles, Transhuman Space, and Eclipse Phase, as well as the video games System Shock and Dead Space 2. Rings The rings of Saturn are mined for resources in several works; they are a source of ice in Isaac Asimov's 1952 short story "The Martian