Theon of Alexandria Theon of Alexandria Theon of Alexandria (; ; 335 – c. 405) was a Greek scholar and mathematician who lived in Alexandria, Egypt. He edited and arranged Euclid's "Elements" and wrote commentaries on works by Euclid and Ptolemy. His daughter Hypatia also won fame as a mathematician. Little is known about the life of Theon. He made predictions and observances of solar and lunar eclipses in 364 which show he was active at that time, and he is said to have lived during the reign of Theodosius I (379–395). The biographical tradition of the tenth century Byzantine "Suda" defines Theon
The Fractal Geometry of Nature resolution and in color. Many examples were created by programmers working with Mandelbrot, primarily at IBM Research. These visualizations have added to persuasiveness of the books and their impact on the scientific community. The Fractal Geometry of Nature The Fractal Geometry of Nature is a 1982 book by the Franco-American mathematician Benoît Mandelbrot. "The Fractal Geometry of Nature" is a revised and enlarged version of his 1977 book entitled "Fractals: Form, Chance and Dimension", which in turn was a revised, enlarged, and translated version of his 1975 French book, "Les Objects Fractals: Forme, Hasard et Dimension". "American Scientist" put the