between sky god and earth goddess, when he comes to earth in the thunderstorm and the storm brings the rain which makes the fields fertile. In this way Thor, as well as Odin, may be seen to continue the cult of the sky god which was known in the Bronze Age. Modern influence In modern times, Thor continues to be referred to in art and fiction. Starting with 's 1776 ode to Thor, , Thor has been the subject of poems in several languages, including 's 1807 epic poem and, by the same author, three more poems (, , and ) collected in his 1819 ; (1859) by ; the 1820 satirical poem by ; (1832) by ; the poem by ; (1836) by ; (1915) by ; 's (published in , 1937); and (1977) by . In English he features for example in Henry Wadsworth Longfellow's "The Challenge of Thor" (1863) and in two works by Rudyard Kipling: Letters of Travel: 1892–1913 and "Cold Iron" in Rewards and Fairies. L. Sprague de Camp's Harold Shea met with Thor, as with other Norse gods, in the first of Shea's many fantasy adventures. Artists have also depicted Thor in painting and sculpture, including Henry Fuseli's 1780 painting Thor Battering the Midgard Serpent; 's 1821–1822 statue Thor; B. E. Fogelberg's 1844 marble statue Thor; Mårten Eskil Winge's 1872 painting Thor's Fight with the Giants; K. Ehrenberg's 1883 drawing ; several illustrations by published in 's 1901 (Thor; ; ; ; ; ; ); J. C. Dollman's 1909 drawings Thor and the Mountain and Sif and Thor; G. Poppe's painting Thor; 's 1914 drawing ; H. Natter's marble statue Thor; and U. Brember's 1977 illustrations to by . In the fields of science and technology, Swedish chemist (1779–1848) discovered a chemical element that he named after Thor – thorium. Thor is also the namesake of the PGM-17 Thor missile. In 1962, American comic book artist Jack Kirby, Marvel Comics editor Stan Lee and his brother Larry Lieber created a feature in the comic book Journey Into Mystery a series featuring Thor as a superhero. This version of Thor is portrayed as a clean-shaven blonde, instead of red-haired and bearded. The magazine soon added the backup feature "Tales of Asgard" in which Kirby illustrated stories from Norse mythology; eventually, the magazine was retitled Thor. Lee and Kirby included Thor as a founding member of