Eilhard Ernst Gustav Wiedemann (1 August 1852, in

Berlin Berlin ( , ) is the capital and List of cities in Germany by population, largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's List of cities in the European Union by population within ci ...

– 7 January 1928, in

Erlangen Erlangen (; East Franconian: ''Erlang'', Bavarian: ''Erlanga'') is a Middle Franconian city in Bavaria, Germany. It is the seat of the administrative district Erlangen-Höchstadt (former administrative district Erlangen), and with 116,062 inhab ...

) was a German

physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...

and

historian of science The history of science covers the development of science from ancient times to the present. It encompasses all three major branches of science: natural, social, and formal. Science's earliest roots can be traced to Ancient Egypt and Mesopo ...

. He was the son of physicist

Gustav Heinrich Wiedemann Gustav Heinrich Wiedemann (; 2 October 1826 – 24 March 1899) was a German physicist and scientific author. Life Wiedemann was born in Berlin the son of a merchant who died two years later. Following the death of his mother in 1842 he lived wi ...

(1826–1899), and an older brother to

Egyptologist Egyptology (from ''Egypt'' and Greek , '' -logia''; ar, علم المصريات) is the study of ancient Egyptian history, language, literature, religion, architecture and art from the 5th millennium BC until the end of its native religiou ...

Alfred Wiedemann (1856–1936). He studied physics at the Universities of

Heidelberg Heidelberg (; Palatine German language, Palatine German: ''Heidlberg'') is a city in the States of Germany, German state of Baden-Württemberg, situated on the river Neckar in south-west Germany. As of the 2016 census, its population was 159,914 ...

and

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 ...

, obtaining his doctorate in 1872 with the thesis "''Über die elliptische Polarisation und ihre Beziehung zu den Oberflächenfarben der Körper'' (On the

elliptical polarization In electrodynamics, elliptical polarization is the polarization of electromagnetic radiation such that the tip of the electric field vector describes an ellipse in any fixed plane intersecting, and normal to, the direction of propagation. An el ...

of light and its relation to surface color). From 1878 to 1886, he was an associate professor of physics at Leipzig, afterwards relocating to the

University of Erlangen 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 ...

as a full professor (1886–1926).Eilhard Ernst Gustav Wiedemann @ Professorenkatalog der Universität Leipzig
(biographical sketch with bibliography) In addition to his duties as a physicist, he was a prolific author of works involving " history of science" themes, in particular, science as it pertained to Arab traditions.

Selected publications

* ''Physikalisches Praktikum. Mit besonderer Berücksichtigung der physikalisch-chemischen Methoden'',

Braunschweig Braunschweig () or Brunswick ( , from Low German ''Brunswiek'' , Braunschweig dialect: ''Bronswiek'') is a city in Lower Saxony, Germany, north of the Harz Mountains at the farthest navigable point of the river Oker, which connects it to the ...

(with

Hermann Ebert Hermann Ebert (20 June 1861 in Leipzig – 12 February 1913 in Munich) was a German physicist. From 1881 he studied astronomy and physics in Leipzig, where he was a student of Heinrich Bruns and Gustav Wiedemann. After graduation, he relocated to ...

), 1890 - Practical physics, with special emphasis on physical-chemical methods. * ''Über die Naturwissenschaften bei den Arabern'',

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

1890 - On Arab

natural sciences Natural science is one of the branches of science concerned with the description, understanding and prediction of natural phenomena, based on empirical evidence from observation and experimentation. Mechanisms such as peer review and repeatab ...

. * ''Das neue Physikalische Institut der Universität Erlangen'', 1896 - On the new institute of physics at the University of Erlangen. * ''Über Trinkgefäße und Tafelaufsätze nach al-Gazarî und den Benu Mûsà'',

Straßburg Strasbourg (, , ; german: Straßburg ; gsw, label=Bas Rhin Alsatian, Strossburi , gsw, label= Haut Rhin Alsatian, Strossburig ) is the prefecture and largest city of the Grand Est region of eastern France and the official seat of the Eu ...

1918. * ''Zur Alchemie bei den Arabern'', Erlangen 1922 - On Arab

alchemy Alchemy (from Arabic: ''al-kīmiyā''; from Ancient Greek: χυμεία, ''khumeía'') is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practiced in China, India, the Muslim world, ...

. * ''Aufsätze zur arabischen Wissenschaftsgeschichte'', with Wolf Dietrich Fischer. Hildesheim, New York, G. Olms, 1970 - Essays on the Arab history of science. * ''Gesammelte Schriften zur arabisch-islamischen Wissenschaftsgeschichte'', with Dorothea Girke;

Frankfurt am Main Frankfurt, officially Frankfurt am Main (; Hessian: , "Frank ford on the Main"), is the most populous city in the German state of Hesse. Its 791,000 inhabitants as of 2022 make it the fifth-most populous city in Germany. Located on its na ...

: Institut für Geschichte der Arabisch-Islamischen Wissenschaften an der Johann Wolfgang Goethe-Universität, 1984 - Collected writings on Arab-Islamic science history.WorldCat Title
Gesammelte Schriften zur arabisch-islamischen Wissenschaftsgeschichte

References

External links

Overview of courses taught by Eilhard Wiedemann at Leipzig. {{DEFAULTSORT:Wiedemann, Eilhard 1852 births 1928 deaths Scientists from Berlin Academic staff of the University of Erlangen-Nuremberg Academic staff of Leipzig University 20th-century German physicists 19th-century German physicists