Item: i93532

Authentic Coin of:

Germany – 250th Anniversary – Death of Wilhelm Leibniz
1966 D Proof Silver 5 Marks 29mm (11.22 grams) 0.625 Silver (0.2251 oz. ASW) Karlsruhe Mint.
Reference: KM# 119
BUNDESREPUBLIK · DEUTSCHLAND · 5 DEUTSCHE MARK 19 66 D, Eagle.
GOTTFRIED · WILHELM · LEIBNIZ 1646 – 1716, Leibniz facing 1/4 right.
Edge Lettering:
MAGNUM TOTIUS GERMANIAE DECUS

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Gottfried Wilhelm (von) Leibniz (sometimes spelled Leibnitz) 1 July 1646  – 14 November 1716) was a prominent German polymath and one of the most important logicians, mathematicians and natural philosophers of the Enlightenment. As a representative of the seventeenth-century tradition of rationalism, Leibniz’s most prominent accomplishment was conceiving the ideas of differential and integral calculus, independently of Isaac Newton’s contemporaneous developments. Mathematical works have consistently favored Leibniz’s notation as the conventional expression of calculus. It was only in the 20th century that Leibniz’s law of continuity and transcendental law of homogeneity found mathematical implementation (by means of non-standard analysis). He became one of the most prolific inventors in the field of mechanical calculators. While working on adding automatic multiplication and division to Pascal’s calculator, he was the first to describe a pinwheel calculator in 1685 and invented the Leibniz wheel, used in the arithmometer, the first mass-produced mechanical calculator. He also refined the binary number system, which is the foundation of all digital computers.

In philosophy, Leibniz is most noted for his optimism, i.e. his conclusion that our universe is, in a restricted sense, the best possible one that God could have created, an idea that was often lampooned by others such as Voltaire. Leibniz, along with René Descartes and Baruch Spinoza, was one of the three great 17th-century advocates of rationalism. The work of Leibniz anticipated modern logic and analytic philosophy, but his philosophy also assimilates elements of the scholastic tradition, notably that conclusions are produced by applying reason to first principles or prior definitions rather than to empirical evidence.

Leibniz made major contributions to physics and technology, and anticipated notions that surfaced much later in philosophy, probability theory, biology, medicine, geology, psychology, linguistics, and computer science. He wrote works on philosophy, politics, law, ethics, theology, history, and philology. Leibniz also contributed to the field of library science. While serving as overseer of the Wolfenbüttel library in Germany, he devised a cataloging system that would serve as a guide for many of Europe’s largest libraries. Leibniz’s contributions to this vast array of subjects were scattered in various learned journals, in tens of thousands of letters, and in unpublished manuscripts. He wrote in several languages, but primarily in Latin, French, and German. There is no complete gathering of the writings of Leibniz translated into English.

Germany, officially the Federal Republic of Germany is a federal parliamentary republic in western-central Europe. It includes 16 constituent states and covers an area of 357,021 square kilometres (137,847 sq mi) with a largely temperate seasonal climate. Its capital and largest city is Berlin. With 81 million inhabitants, Germany is the most populous member state in the European Union. After the United States, it is the second most popular migration destination in the world.

Various Germanic tribes have occupied northern Germany since classical antiquity. A region named Germania was documented before 100 CE. During the Migration Period the Germanic tribes expanded southward. Beginning in the 10th century, German territories formed a central part of the Holy Roman Empire. During the 16th century, northern German regions became the centre of the Protestant Reformation.

The rise of Pan-Germanism inside the German Confederation resulted in the unification of most of the German states in 1871 into the Prussian-dominated German Empire. After World War I and the German Revolution of 1918-1919, the Empire was replaced by the parliamentary Weimar Republic. The establishment of the Third Reich in 1933 led to World War II and the Holocaust. After 1945, Germany split into two states, East Germany and West Germany. In 1990, the country was reunified.

In the 21st century, Germany is a great power and has the world’s fourth-largest economy by nominal GDP, as well as the fifth-largest by PPP. As a global leader in several industrial and technological sectors, it is both the world’s third-largest exporter and importer of goods. Germany is a developed country with a very high standard of living sustained by a skilled and productive society. It upholds a social security and universal health care system, environmental protection and a tuition free university education.

Germany was a founding member of the European Union in 1993. It is part of the Schengen Area, and became a co-founder of the Eurozone in 1999. Germany is a member of the United Nations, NATO, the G8, the G20, and the OECD. The national military expenditure is the 9th highest in the world. Known for its rich cultural history, Germany has been continuously the home of influential artists, philosophers, musicians, sportsmen, entrepreneurs, scientists and inventors.