Ernst Pringsheim Sr. (11 July 1859 – 28 June 1917) 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 ...

. He was born and died in Breslau. Alongside

Otto Lummer Otto Richard Lummer (17 July 1860 – 5 July 1925) was a German physicist and researcher. He was born in the city of Gera, Germany. With Leon Arons, Lummer helped to design and build the Arons–Lummer mercury-vapor lamp. Lummer primarily worke ...

, he conducted significant measurements of the

blackbody radiation Black-body radiation is the thermal electromagnetic radiation within, or surrounding, a body in thermodynamic equilibrium with its environment, emitted by a black body (an idealized opaque, non-reflective body). It has a specific continuous spectr ...

spectrum, leading to

Max Planck Max Karl Ernst Ludwig Planck (; ; 23 April 1858 – 4 October 1947) was a German Theoretical physics, theoretical physicist whose discovery of energy quantum, quanta won him the Nobel Prize in Physics in 1918. Planck made many substantial con ...

quantum hypothesis Quantum mechanics is the fundamental physical theory that describes the behavior of matter and of light; its unusual characteristics typically occur at and below the scale of atoms. Reprinted, Addison-Wesley, 1989, It is the foundation of a ...

in 1900.

Literary works

* ''Ueber das Radiometer''. Berlin: Lange, 1882. Berlin, Universität, Dissertation, 1882. * ''Eine Wellenlängenmessung im ultrarothen Sonnenspectrum''. In: ''Annalen der Physik und Chemie''. ''Neue Folge'', Band XVIII, (1883). * (with

:) ''A Determination of the ratio k of the specific heat for air, oxygen, carbon-dioxide and hydrogen''. (= '' Smithsonian Contributions to Knowledge''; 29,6 = 1126 Hodgkins Fund) Washington : Smithsonian Inst., 1898. * ''Vorlesungen über die Physik der Sonne''. Leipzig: Teubner, 1910. * ''Fluoreszenz und Phosphoreszenz im Lichte der neueren Atomtheorie'', 1928.

References

* 20th-century German physicists Academic staff of Charles University 1859 births 1917 deaths 19th-century German physicists Scientists from Wrocław {{Germany-academic-bio-stub