Prometheus to be substantially discounted in preference to his own concerns for promoting his own version of an idealized consciousness of a society guided by the precepts of High British Romanticism and High British Idealism. "Frankenstein; or, the Modern Prometheus", written by Mary Shelley when she was 18, was published in 1818, two years before Percy Shelley's above mentioned play. It has endured as one of the most frequently revisited literary themes in twentieth century film and popular reception with few rivals for its sheer popularity among even established literary works of art. The primary theme is a parallel to the
Prometheus (tree) two distinct sub-populations, one of which is accessible by a popular interpretive trail. Prometheus, however, grew in an area reachable only by off-trail hiking. In either 1958 or 1961, a group of naturalists who admired Prometheus's grove gave names to a number of the largest or most distinctive trees, including Prometheus. Currey originally estimated the tree was at least 4844 years old. A few years later, this was increased to 4862 by Donald Graybill of the University of Arizona's Laboratory of Tree-Ring Research. These ring counts were done on a trunk cross-section taken about 2.5 m (8 feet) above the