Heinrich Wilhelm Brandes (; 27 July 1777 – 17 May 1834) was a German physicist,

meteorologist A meteorologist is a scientist who studies and works in the field of meteorology aiming to understand or predict Earth's atmospheric phenomena including the weather. Those who study meteorological phenomena are meteorologists in research, while t ...

, and astronomer. Brandes was born in 1777 in Groden near Ritzebüttel (a former exclave of the

Free Imperial City In the Holy Roman Empire, the collective term free and imperial cities (german: Freie und Reichsstädte), briefly worded free imperial city (', la, urbs imperialis libera), was used from the fifteenth century to denote a self-ruling city that ...

Hamburg (male), (female) en, Hamburger(s), Hamburgian(s) , timezone1 = Central (CET) , utc_offset1 = +1 , timezone1_DST = Central (CEST) , utc_offset1_DST = +2 , postal ...

, today in

Cuxhaven Cuxhaven (; ) is an independent town and seat of the Cuxhaven district, in Lower Saxony, Germany. The town includes the northernmost point of Lower Saxony. It is situated on the shore of the North Sea at the mouth of the Elbe River. Cuxhaven has ...

), the third son of Albert Georg Brandes, a preacher. He studied at the

University of Göttingen The University of Göttingen, officially the Georg August University of Göttingen, (german: Georg-August-Universität Göttingen, known informally as Georgia Augusta) is a public research university in the city of Göttingen, Germany. Founded ...

from 1796 to 1798 under

Abraham Gotthelf Kästner Abraham Gotthelf Kästner (27 September 1719 – 20 June 1800) was a German mathematician and epigrammatist. He was known in his professional life for writing textbooks and compiling encyclopedias rather than for original research. Georg Chr ...

and

Georg Christoph Lichtenberg Georg Christoph Lichtenberg (1 July 1742 – 24 February 1799) was a German physicist, satirist, and Anglophile. As a scientist, he was the first to hold a professorship explicitly dedicated to experimental physics in Germany. He is remembered for ...

Carl Friedrich Gauss Johann Carl Friedrich Gauss (; german: Gauß ; la, Carolus Fridericus Gauss; 30 April 177723 February 1855) was a German mathematician and physicist who made significant contributions to many fields in mathematics and science. Sometimes refer ...

was a fellow student. He attained his doctorate in 1800, and spent a short time teaching privately. As an astronomer, he was noted for demonstrating that

meteors A meteoroid () is a small rocky or metallic body in outer space. Meteoroids are defined as objects significantly smaller than asteroids, ranging in size from grains to objects up to a meter wide. Objects smaller than this are classified as mi ...

occur in the upper atmosphere and thus not really a meteorological phenomenon. From 1801 to 1811 he was at first a technical designer of dykes on the

Weser The Weser () is a river of Lower Saxony in north-west Germany. It begins at Hannoversch Münden through the confluence of the Werra and Fulda. It passes through the Hanseatic city of Bremen. Its mouth is further north against the ports o ...

river at Eckwarden,

Butjadingen Butjadingen is a peninsula and municipality in the Wesermarsch district, in Lower Saxony, Germany. Geography Butjadingen is situated on the German North Sea coast. It is bordered on the west and southwest by the Jade River and the east by the ...

, in the

Duchy of Oldenburg The Duchy of Oldenburg (german: Herzogtum Oldenburg)—named after its capital, the town of Oldenburg—was a state in the north-west of present-day Germany. The counts of Oldenburg died out in 1667, after which it became a duchy until 1810, w ...

, and later a dyke inspector for the lower right bank of the Weser. In 1811 he became a professor of mathematics at the newly created

University of Breslau A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, th ...

, a merger of two

Wrocław Wrocław (; german: Breslau, or . ; Silesian German: ''Brassel'') is a city in southwestern Poland and the largest city in the historical region of Silesia. It lies on the banks of the River Oder in the Silesian Lowlands of Central Europe, rou ...

colleges. In 1826 he gained the chair of physics at the

University of Leipzig Leipzig University (german: Universität Leipzig), in Leipzig in Saxony, Germany, is one of the world's oldest universities and the second-oldest university (by consecutive years of existence) in Germany. The university was founded on 2 Decemb ...

. He had a very wide range of activities. He wrote a considerable number of mathematics textbooks. In 1820 he published the first weather charts in ''Beiträgen zur Witterungskunde'' ("Contributions to Meteorology"). Thus he is considered to be a founder of synoptic meteorology. In 1824 he developed a new method to compute the

Euler constant Euler's constant (sometimes also called the Euler–Mascheroni constant) is a mathematical constant usually denoted by the lowercase Greek letter gamma (). It is defined as the limiting difference between the harmonic series and the natural l ...

numerically. He died on 17 May 1834 in

Leipzig Leipzig ( , ; Upper Saxon: ) is the most populous city in the German state of Saxony. Leipzig's population of 605,407 inhabitants (1.1 million in the larger urban zone) as of 2021 places the city as Germany's eighth most populous, as ...

and was buried in the Alter Johannisfriedhof.

Publications

*''Versuche, die Entfernung, die Geschwindigkeit und die Bahnen der Sternschnuppen zu bestimmen'' ("Attempts to determine the distance, speed and course of meteors") (with

Johann Friedrich Benzenberg Johann Friedrich Benzenberg (5 May 1777 – 7 June 1846) was a German astronomer, geologist, and physicist. Biography Benzenberg was born near Elberfeld, Germany on 5 May 1777 to Heinrich Benzenberg and Johanna Elisabeth. He married Charlotte Pla ...

; 1800) *''Die vornehmsten Lehren der Astronomie in Briefen an eine Freundin dargestellt'' ("Major theories of astronomy, described in letters to a friend") (4 vols, 1811–16) *''Untersuchungen über den mittleren Gang der Wärmeänderungen durchs ganze Jahr; über gleichzeitige Witterungs – Ereignisse in weit voneinander entfernten Weltgegenden; über die Formen der Wolken, die Entstehung des Regens und der Stürme; und über andere Gegenstände der Witterungskunde'' ("Meteorology") (Leipzig: Barth, 1820)

References

{{DEFAULTSORT:Brandes, Heinrich Wilhelm 19th-century German physicists German meteorologists 18th-century German astronomers 1777 births 1834 deaths University of Göttingen alumni Academic staff of the University of Breslau Academic staff of Leipzig University 19th-century German mathematicians Members of the Göttingen Academy of Sciences and Humanities