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Eilhard Ernst Gustav Wiedemann (1 August 1852, in
Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...
– 7 January 1928, in
Erlangen Erlangen (; , ) is a Middle Franconian city in Bavaria, Germany. It is the seat of the administrative district Erlangen-Höchstadt (former administrative district Erlangen), and with 119,810 inhabitants (as of 30 September 2024), it is the smalle ...
) 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 history, ancient times to the present. It encompasses all three major branches of science: natural science, natural, social science, social, and formal science, formal. Pr ...
. 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 w ...
(1826–1899), and an older brother to
Egyptologist Egyptology (from ''Egypt'' and Greek , ''-logia''; ) is the scientific study of ancient Egypt. The topics studied include ancient Egyptian history, language, literature, religion, architecture and art from the 5th millennium BC until the end ...
Alfred Wiedemann Alfred Wiedemann (18 July 1856 – 7 December 1936) was a German Egyptologist. He was the son of physicist Gustav Heinrich Wiedemann and the younger brother of physicist Eilhard Wiedemann. He was a son-in-law to psychiatrist Carl Maria Finkelnbu ...
(1856–1936). He studied physics at the Universities of
Heidelberg Heidelberg (; ; ) is the List of cities in Baden-Württemberg by population, fifth-largest city in the States of Germany, German state of Baden-Württemberg, and with a population of about 163,000, of which roughly a quarter consists of studen ...
and
Leipzig Leipzig (, ; ; Upper Saxon: ; ) is the most populous city in the States of Germany, German state of Saxony. The city has a population of 628,718 inhabitants as of 2023. It is the List of cities in Germany by population, eighth-largest city in Ge ...
, 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 ell ...
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 tertiary education and research which awards academic degrees in several academic disciplines. ''University'' is derived from the Latin phrase , which roughly means "community of teachers and scholars". Univ ...
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 The history of science covers the development of science from ancient history, ancient times to the present. It encompasses all three major branches of science: natural science, natural, social science, social, and formal science, formal. Pr ...
" 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 , local dialect: ) is a List of cities and towns in Germany, 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), 1890 - Practical physics, with special emphasis on physical-chemical methods. * ''Über die Naturwissenschaften bei den Arabern'',
Hamburg Hamburg (, ; ), officially the Free and Hanseatic City of Hamburg,. is the List of cities in Germany by population, second-largest city in Germany after Berlin and List of cities in the European Union by population within city limits, 7th-lar ...
1890 - On Arab
natural sciences Natural science or empirical 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 ...
. * ''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 ( , ; ; ) is the prefecture and largest city of the Grand Est region of eastern France, in the historic region of Alsace. It is the prefecture of the Bas-Rhin department and the official seat of the European Parliament. The cit ...
1918. * ''Zur Alchemie bei den Arabern'', Erlangen 1922 - On Arab
alchemy Alchemy (from the Arabic word , ) is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practised in China, India, the Muslim world, and Europe. In its Western form, alchemy is first ...
. * ''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 am Main () is the most populous city in the States of Germany, German state of Hesse. Its 773,068 inhabitants as of 2022 make it the List of cities in Germany by population, fifth-most populous city in Germany. Located in the forela ...
: 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


See also

*
Physical crystallography before X-rays Physical crystallography before X-rays describes how physical crystallography developed as a science up to the discovery of X-rays by Wilhelm Conrad Röntgen in 1895. In the period before X-rays, crystallography can be divided into three broad are ...


References


External links


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