Caspar IsenkraheMathias Caspar Hubert Isenkrahe (12 May 1844, in Müntz, Rhine Province – 12 August 1921, in Trier) was a German mathematician, physicist and Catholic philosopher of nature. Isenkrahe's father died before Caspar's birth. Isenkrahe visited in 1856 the Progymnasium in Jülich, in 1857 the Marzellengymnasium in Cologne and from 1858 to 1863 the Realprogymnasium in Bonn. In 1868 he studied at the University of Bonn where he chose the subjects mathematics, physics, chemistry, mineralogy, botany, zoology, philosophy, Latin and German.
Heiner ThielHeiner Thiel (born January 14, 1957) is a German sculptor and curator. He is an exponent of concrete art. Thiel studied history of art from 1978 to 1982 at the Johannes Gutenberg University in Mainz, and then went to the Städelschule in Frankfurt from 1983 to 1985. There he studied sculpture under Michael Croissant. In 1985 he received an award for most promising artist in visual arts of the town of Mainz. The following year he won the most promising award of the federal state of Rhineland-Palatinate.
Ingrid HornefIngrid Hornef (born August 12, 1940) is a German sculptor, installation artist, curator and painter. She is a representative of Concrete art and became best known for using a dice as a random number generator in her series of works Alea iacta est (Latin for the die is cast). Ingrid Hornef acquired her professional skills as an autodidact and opened her own studio in 1985. In her early days, she was mainly concerned with pottery and attended ceramic courses in 1984 and 1985 with the well-known Japanese ceramic artist Takeshi Yasuda.
Rita RohlfingRita Rohlfing (born 1964 in Bad Oeynhausen) is a German painter, photographer and installation artist. Rita Rohlfing studied from 1985 to 1991 at the Braunschweig University of Art. In 1992 she was appointed "Master Student" (Meisterschüler) by Bernd Minnich and Roland Dörfler. She also received the "Dragoco Scholarship for Young Artists" at the Rudolf-Jahns-Haus in Holzminden and was honoured with an exhibition of her panel paintings in 1992.
Rivalry between Cologne and DüsseldorfRivalry between Cologne and Düsseldorf, two major cities in the Rhineland, Germany, apart on the Rhine, is now mostly on a sporting and cultural level, but based on historical and economic factors. Cologne was a Roman colony, and later a Free Imperial City, while Düsseldorf, a small medieval settlement, is now the capital of the state of North Rhine-Westphalia. The root of the enmity between the two cities is commonly cited as the Battle of Worringen on 5 June 1288, which, however, is to be regarded as "legend".
Andreas Franz Wilhelm SchimperAndreas Franz Wilhelm Schimper est un botaniste français puis allemand, né le à Strasbourg et mort le à Bâle. Il est le fils du botaniste et paléontologue Guillaume Philippe Schimper (1808-1880). Il est professeur associé à Bonn puis professeur à Bâle. Il participe à de nombreuses expéditions scientifiques. Il est notamment l’auteur de Pflanzengeographie (1898). Il fait une œuvre pionnière dans le domaine de l’écologie végétale et met en lumière la stabilité des répartitions des végétaux.
Joannis AvramidisJoannis Avramidis (en grec Ιωάννης Αβραμίδης, né le à Batoumi, République socialiste soviétique autonome d'Adjarie, mort le à Vienne) est un sculpteur autrichien. Joannis Avramidis est le fils de Grecs pontiques, la persécution et la mort de son père en prison contraignent la famille à émigrer en Grèce en 1939. Joannis Avramidis dut interrompre ses études à l'académie des beaux-arts de Batoumi en 1937. En 1943, Avramidis part pour Vienne en tant que travailleur étranger.
