geometry

Farkas Bolyai, also known as Wolfgang Bolyai in Germany, was a Hungarian mathematician, mainly known for his work in geometry.


Euclid (Greek: Εὐκλείδης) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the Elements treatise, which established the foundations of geometry that largely dominated the field until the early 19th century. His system, now referred to as Euclidean geometry, involved new innovations in combination with a synthesis of theories from earlier Greek mathematicians, including Eudoxus of Cnidus, Hippocrates of Chios, Thales and Theaetetus. With Archimedes and Apollonius of Perga, Euclid is generally considered among the greatest mathematicians of antiquity, and one of the most influential in the history of mathematics.


Marino Marini was an Italian sculptor and educator.



Gianni Dova was an Italian painter who painted in an abstract style with touches of surrealism.



Georg Engst was a German sculptor.
Engst preferred to work in wood, stone and bronze, but also in aluminium, concrete and glass. Much of his artistic work from the mid-1950s onwards is abstract-geometric in character, initially in the form of inlaid panels and inlaid walls made of wood, for example for a commission for the conference room of the Regional Church Office in Hanover in 1957.


Georg Engst was a German sculptor.
Engst preferred to work in wood, stone and bronze, but also in aluminium, concrete and glass. Much of his artistic work from the mid-1950s onwards is abstract-geometric in character, initially in the form of inlaid panels and inlaid walls made of wood, for example for a commission for the conference room of the Regional Church Office in Hanover in 1957.


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".


Albrecht Dürer, born on May 21, 1471 in Nuremberg, Germany, is widely regarded as the greatest German Renaissance painter. His contribution to painting and engraving is quite significant and has left a notable mark on the art world. Dürer's early life was spent in Nuremberg, a city that played a crucial role in his development as an artist and was also the site of his death on April 6, 1528. He was the son of the goldsmith Albrecht Dürer the Elder, from whom he initially learned the basics of drawing and metalworking.
Dürer's work is characterized by a combination of Gothic elements with the emerging Renaissance style, which is evident in his woodcuts and engravings. His oeuvre encompasses many themes, including religious works, altarpieces, portraits, and self-portraits. His outstanding prints, such as The Knight, Death and the Devil (1513), St. Jerome in his Study (1514) and Melencolia I (1514), are known for their intricate detail and artistic skill. Dürer was also one of the earliest European landscape painters, as evidenced by his watercolor paintings.
Equally significant are his theoretical writings on mathematics, perspective, and ideal proportions in art. Dürer was not only an artist but also a keen intellectual, his interests encompassing various aspects of culture and science. He served as court painter to Holy Roman Emperors Maximilian I and Charles V, completing several significant art projects for them. Dürer's keen mind and versatile interests brought him into contact with the most prominent figures of his time, including theologians and scientists of the Reformation era.
Dürer's self-portraits are particularly famous, demonstrating not only his artistic skill but also his self-awareness and personal style. These portraits attest to his growing success and confidence as an artist. Dürer's legacy is immense; he influenced not only the art of his time, but also left an indelible mark on the history of European art.
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Marin Mersenne (also Marinus Mersennus or le Père Mersenne) was a French mathematician, physicist, philosopher and theologian, and music theorist.
Mersenne was educated at the Jesuit college of La Fleche and went on to study theology in Paris. He also became a member of the Order of the Minims and taught philosophy and theology at Nevers. He developed his ideas about the essence of the world and knowledge, insisting on the importance of experimentation and observation, and contrasted the rational natural world with human reason.
Beginning in 1635, Mersenne founded the Académie Parisienne, the forerunner of the French Academy of Sciences, where France's leading mathematicians and natural philosophers gathered. It provided a forum for the exchange of ideas among scientists and promoted the works of René Descartes and Galileo. The scientist's most famous achievement in mathematics was finding a formula for generating prime numbers, known today as Mersenne's Numbers. In 1644, Mersenne published his studies of Mersenne numbers and their relationship to prime numbers. His work in number theory and arithmetic proved pivotal to the development of mathematics in the seventeenth century.
He corresponded with many other scientists of the era, such as René Descartes, Blaise Pascal, and Pierre Fermat. However, his contributions extend much further, through his role in disseminating the work of the outstanding minds of his time. Mersenne traveled extensively throughout Europe, bringing new scientific ideas to France. He was an important mediator in the exchange of knowledge and contributed to the advancement of science in his era.


Euclid (Greek: Εὐκλείδης) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the Elements treatise, which established the foundations of geometry that largely dominated the field until the early 19th century. His system, now referred to as Euclidean geometry, involved new innovations in combination with a synthesis of theories from earlier Greek mathematicians, including Eudoxus of Cnidus, Hippocrates of Chios, Thales and Theaetetus. With Archimedes and Apollonius of Perga, Euclid is generally considered among the greatest mathematicians of antiquity, and one of the most influential in the history of mathematics.


Farkas Bolyai, also known as Wolfgang Bolyai in Germany, was a Hungarian mathematician, mainly known for his work in geometry.


Farkas Bolyai, also known as Wolfgang Bolyai in Germany, was a Hungarian mathematician, mainly known for his work in geometry.
