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Siegfried Mackowsky was a German modernist painter and master of the urban landscape.
René Descartes was a French philosopher, mathematician, and natural scientist who is considered the founder of modern philosophy.
Descartes was a very versatile scientist: besides numerous philosophical reflections, he wrote works on optics, meteorology and geometry. Contemporaries noted his extensive knowledge in many sciences. Descartes owns the famous saying "I think, therefore I exist" (best known in the Latin formulation "Cogito, ergo sum", although it was originally written in French: "Je pense, donc je suis").
He developed a metaphysical dualism that radically distinguished between mind, whose essence is thought, and matter, whose essence is extension in three dimensions. Descartes' metaphysics is rationalistic, based on the postulation of innate ideas of mind, matter, and God, but his physics and physiology, based on sense experience, are mechanistic and empirical.
Unlike his scientific predecessors, who felt a holy awe at the incomprehensibility of the divine essence of the universe, Descartes admired the ability of the human mind to understand the cosmos and to generate happiness itself, and rejected the view that human beings were inherently unhappy and sinful. He believed that it was inappropriate to pray to God to change the state of things and the world; it was much more productive to change oneself.
Kurt Schwitters (1887–1948) was a German artist renowned for his multifaceted contributions to modern art, encompassing painting, poetry, graphic design, and installation art. Born in Hanover, Germany, Schwitters developed a unique artistic vision that led to the creation of "Merz," a term he coined to describe his one-of-a-kind approach to art.
The concept of Merz originated from a fragment of the word "Kommerz" (commerce), which Schwitters incorporated into his early collages. This term came to represent his artistic philosophy, characterized by the assemblage of found objects and everyday materials into cohesive compositions. Through Merz, Schwitters sought to blur the boundaries between traditional art forms, integrating elements of Dadaism, Constructivism, and Surrealism.
One of Schwitters' most significant projects was the "Merzbau," an ambitious, evolving installation within his Hanover home. This project began around 1923 and transformed his living space into a labyrinthine structure filled with collages, sculptures, and found objects. The Merzbau was a physical manifestation of his Merz philosophy, embodying the synthesis of art and life. Unfortunately, the original Merzbau was destroyed during a British air raid in 1943.
In addition to his visual art, Schwitters made notable contributions to literature and sound art. His poem "An Anna Blume," published in 1919, is a seminal work that exemplifies his playful use of language and nonsensical style, aligning with the Dada movement's principles. Moreover, his "Ursonate," a sound poem composed between 1922 and 1932, showcases his innovative exploration of phonetic expression and rhythm, pushing the boundaries of traditional poetry.
The rise of the Nazi regime in Germany had a profound impact on Schwitters' life and work. Classified as a "degenerate" artist by the Nazis, he fled to Norway in 1937 to escape persecution. Following the German invasion of Norway in 1940, he sought refuge in the United Kingdom. During his internment at the Hutchinson Internment Camp on the Isle of Man, Schwitters continued to create art, producing over 200 works during his 16 months of confinement.
After his release, Schwitters settled in the Lake District of England, where he embarked on a new Merz construction known as the "Merzbarn." Although he was unable to complete this project due to his death in 1948, the Merzbarn stands as a testament to his unwavering commitment to his artistic vision. Today, Kurt Schwitters is celebrated as a pioneer of modern art, whose innovative techniques and ideas have left an indelible mark on the art world.
Albert Einstein was a German-born theoretical physicist, widely acknowledged to be one of the greatest and most influential physicists of all time. Einstein is best known for developing the theory of relativity, but he also made important contributions to the development of the theory of quantum mechanics. Relativity and quantum mechanics are together the two pillars of modern physics. His mass–energy equivalence formula E = mc2, which arises from relativity theory, has been dubbed "the world's most famous equation". His work is also known for its influence on the philosophy of science. He received the 1921 Nobel Prize in Physics "for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect", a pivotal step in the development of quantum theory. His intellectual achievements and originality resulted in "Einstein" becoming synonymous with "genius".
Wilhelm Fabry von Hilden or Fabricius von Hilden (Latin: Fabricius Hildanus) was a German and Swiss Renaissance physician and surgeon, the founder of scientific surgery.
In 1576 he began a four-year apprenticeship as a surgeon with a barber in Neuss. Surgery at that time was considered the craft of bath and barbers; surgeons or wound doctors treated wounds, broken bones, inflammations, and many other ailments. After completing his apprenticeship, Fabry worked for five years as an assistant wound surgeon to Cosmas Slot (died 1585) at the court of Duke Wilhelm V in Düsseldorf. To expand his anatomical knowledge, Fabry constantly dissected and prepared cadavers. In later years, he also encouraged his students to do so and conducted public autopsies to draw attention to the importance of anatomical knowledge. He also made it a habit to do practice procedures on a cadaver before surgery.
In 1615 Fabry was appointed city physician of Bern. Here he wrote several books on gunshot wounds. In 1623 the versatile physician published a small book, "Christian and Good-Hearted Caution against Drunkenness," which he republished in more detail the following year under the title Christlicher Schlafftrunck. Fabry's most important surgical treatise was Observationem et curationem chirurgicam centuriae sex ("Six hundred surgical observations and cures"), first published in 1606. This compilation remained the most important book of German surgery until Lorenz Heister. It describes new surgical methods and surgical instruments for the treatment of amputations, nasal polyps, bladder stones, dropsy, hernias, ascites, etc., etc., etc.
For centuries, Fabricius remained one of the most respected surgeons not only in Germany and Switzerland, but throughout Europe. Among his many accomplishments in the field of surgery may be enumerated his innovation in the amputation of the thigh, for which he invented a special tourniquet; the excision of involved axillary glands in breast cancer; the first classification of burns into three degrees with the appropriate treatment for each variety; and the first description of a medical field chest for military purposes.
Although in his later years Fabritius had already given up practicing medicine, he continued to write medical papers and maintain an active scientific correspondence until his death. He authored some 20 medical books. It was his surgical works, translated into German, French, Latin, English and Dutch, that ensured his recognition centuries later.
Marco Aurelio Severino was an Italian surgeon, anatomist and zoologist, one of the founders of comparative anatomy.
From childhood Severino studied Latin, Greek, rhetoric, poetry and law in various schools in Calabria, then continued his studies in Naples, soon moving from law to medicine. In Naples he met Tommaso Campanella, who had a great influence on the formation of his worldview. After receiving a medical degree in Salerno in 1606, he studied surgery in Naples with Giulio Jasolino. In 1615 Severino was appointed the first surgeon at Ospedale degli Incurabili. Severino made significant contributions to the transformation of naturophilosophy, medical and surgical practice, to which much of his printed work is devoted.
Severino's main contribution, however, lies in his anatomical works, especially the Zootomia Democritea. This work may be called the earliest comprehensive treatise on comparative anatomy. Severino is considered one of the pioneers of comparative anatomy.
Severino's cultural interests extended far beyond medicine. He corresponded with many prominent physicians and scientists of his time, including William Harvey and John Houghton in England, Thomas Bartolin and Ole Worm in Denmark, J.G. Volkamer and Johannes Wesling in Germany, and Campanella, Jasolino, and Tommaso Cornelio in Italy. Severino was tried by the Inquisition for allegedly unorthodox religious and philosophical views, but was eventually acquitted. He died of the plague in Naples.
