Alfonso X — cropped from: Monument to Alfonso X in La Puebla del Río, province of Seville. Photo Credit: By The original uploader was Asterion at English Wikipedia. - Transferred from en.wikipedia to Commons by Kafuffle using CommonsHelper., CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=12867166
Alfonso X
cropped from: Monument to Alfonso X in La Puebla del Río, province of Seville.
Hipparchos — Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=630396
Kepler's Trigon — A diagram of great conjunctions by Johannes Kepler. While teaching, he had the striking realization that a circle was inscribed by the periodic occurrence of the conjunctions and that might be related to the orbits of the plants. Photo Credit: By Johannes Kepler - De Stella Nova in pede Serpentarii (1606), Public Domain, https://commons.wikimedia.org/w/index.php?curid=16622989
Kepler's Trigon
A diagram of great conjunctions by Johannes Kepler. While teaching, he had the striking realization that a circle was inscribed by the periodic occurrence of the conjunctions and that might be related to the orbits of the plants.
Monument to Tycho Brahe and Kepler in Prague, Czech Republic — Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=859398
Kepler's Platonic solid model of the Solar system — By Johannes Kepler from his Mysterium Cosmographicum Tübingen 1596 Photo Credit: Johannes Kepler: Public Domain, https://commons.wikimedia.org/w/index.php?curid=37300
August 1985 Scientific American Cover — A 1985 column in Scientific American showed how simple computer programs could be used to view fractal pioneer Benoit Mandelbrot's eponymous set Photo Credit: https://www.scientificamerican.com/article/mandelbrot-set/
August 1985 Scientific American Cover
A 1985 column in Scientific American showed how simple computer programs could be used to view fractal pioneer Benoit Mandelbrot's eponymous set
The first published picture of the Mandelbrot set, by Robert W. Brooks and Peter Matelski in 1978 — Mandelbrot himself was introduced to the set that bears his name two years after it was first published Photo Credit: By Elphaba - Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=1627040
Cover of The Fractal Geometry of Nature — by Benoît Mandelbrot 1982 Photo Credit: By Source, Fair use, https://en.wikipedia.org/w/index.php?curid=46862439