* 1854 – Johannes Rydberg, Swedish physicist ( d. 1919 )

* 1900 Johannes Rydberg refines the expression for observed hydrogen line wavelengths

Wavenumbers were first used in the calculations of Johannes Rydberg in the 1880s.

The Rydberg constant, symbol R < sub >∞</ sub > or R < sub > H </ sub >, named after the Swedish physicist Johannes Rydberg, is a physical constant relating to atomic spectra, in the science of spectroscopy.

Johannes Robert Rydberg ( November 8, 1854 – December 28, 1919 ) was a Swedish physicist mainly known for devising the Rydberg formula, in 1888, which is used to predict the wavelengths of photons ( of light and other electromagnetic radiation ) emitted by changes in the energy level of an electron in a hydrogen atom.

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It was formulated by the Swedish physicist Johannes Rydberg, and presented on November 5, 1888.

Within five years Johannes Rydberg came up with an empirical formula that solved the problem, presented first in 1888 and in final form in 1890.

He was acting professor for Johannes Rydberg when his health was failing, and succeeded him as full professor in 1920.

Balmer's formula was later found to be a special case of the Rydberg formula, devised by Johannes Rydberg.

* Walter K. Kelly, 1854, in the volume Erotica: The elegies of Propertius, The Satyricon of Petronius Arbiter, and The Kisses of Johannes Secundus.

Six pieces of the lead statue are preserved in the New-York Historical Society ; one in the Museum of the City of New York as well as two in Connecticut ( estimated total of 260 / 270 pounds ); The event has been depicted over the years in several works of art, including an 1854 painting by William Walcutt, and a 1859 painting by Johannes Adam Simon Oertel.

Peter Johannes Potgieter ( 1822 – 1854 ) was a South African Boer political figure.

* 1603 – Johannes Cocceius, German-Dutch theologian ( d. 1669 )

Johannes Aventinus ( 1477 – 1534 ) is the city's most famous son, the founder of the study of history in Bavaria.

* Johannes Aventinus ( 1477 – 1534 ): Bavarian historian

* 1879 – Johannes Kotze, South African cricketer ( d. 1931 )

* 1558 – Johannes Bugenhagen, German reformer ( b. 1485 )

Alban Maria Johannes Berg ( February 9, 1885 – December 24, 1935 ) was an Austrian composer.

* 1924 – Johannes Mario Simmel, Austrian writer ( d. 2009 )

* Johannes Trithemius ( 1462 – 1516 )

* Zahn Th., Die Offenbarung des Johannes, t. 1-2, Leipzig 1924 – 1926.

* 1675 – Johannes Vermeer, Dutch painter ( b. 1632 )

View of Delft ( Vermeer ) | View of Delft by Johannes Vermeer, 1660 – 1661

* 1903 – Johannes Heesters, Dutch singer and actor ( d. 2011 )

* 1571 – Johannes Kepler, German astronomer ( d. 1630 )

* 1964 – Johannes B. Kerner, German TV presenter

* 1516 – Johannes Trithemius, German cryptographer ( b. 1462 )

A reviewer concluded that Stickel brought forward every possible argument which would speak for that hypothesis, but he proved the opposite of what he had attempted to do ( Johannes Gildemeister in ZDMG 13, 1859, 289 – 304 ).

He then studied medicine in Berlin and Würzburg, particularly with Albert von Kölliker, Franz Leydig, Rudolf Virchow ( with whom he later worked briefly as assistant ), and with anatomist-physiologist Johannes Peter Müller ( 1801 – 1858 ).

1, pp. 297 – 310 ), written by one Johannes, a notary, and stating that Eusebius was called by Cyril to be his successor in the episcopate.

The most famous reformer of Estonian, Johannes Aavik ( 1880 – 1973 ), used creations ex nihilo ( cf.

* Johannes Uray: Die Wöhlersche Harnstoffsynhtese und das Wissenschaftliche Weltbild – Analyse eines Mythos.

* 1622 – Johannes Clauberg, German theologian and philosopher ( d. 1665 )

* 1879 – Johannes Nicolaus Brønsted, Danish physical chemist ( d. 1947 )

* 1621 – Johannes Schefferus, Alsatian humanist ( d. 1679 )

* Johannes ( 1466 – 1467 )

Giovanni d ' Andrea or Johannes Andreæ, ( c. 1270 / 1275 – 1348 ) was an Italian expert in canon law, the most renowned and successful canonist of the later Middle Ages.