Sir Thomas Beecham, 2nd Baronet, CH (29 April 1879 – 8 March 1961) was an English conductor and impresario best known for his association with the London Philharmonic and the Royal Philharmonic orchestras. He was also closely associated with the Liverpool Philharmonic and Hallé orchestras.
Mátyás Seiber (Hungarian: [ˈmaːcaːʃ ˈʃɛibɛr]; 4 May 1905 – 24 September 1960) was a Hungarian Jewish British composer whose work linked many diverse musical influences, from the Hungarian tradition of Bartók and Kodály, to Schoenberg and serial music, to jazz, folk song, and lighter music.
Hugo Kołłątaj, 18th–19th-century historian, philosopher and politician Feliks Koneczny , Polish history, social philosophy Władysław Konopczyński , Polish and world history
Frederick William Herschel KH, FRS (/ ˈ h ɜːr ʃ əl, ˈ h ɛər-/; German: Friedrich Wilhelm Herschel; 15 November 1738 – 25 August 1822) was a German-born British astronomer and composer. He frequently collaborated with his younger sister and fellow astronomer Caroline Herschel (1750–1848).
Malik Jahan Khan (born Dhondia Wagh) – 18th-century military soldier and adventurer Murshid Quli Khan (born Surya Narayan Mishra) – First Nawab of Bengal (r. 1717–1727)  Vladimir Khodov – militant zealot who converted to Islam in prison, and was the leader of the Beslan school hostage crisis 
Sommaire move to sidebar masquer Début 1 Histoire Afficher / masquer la sous-section Histoire 1.1 Années 1970 et 1980 1.2 Années 1990 1.3 Début des années 2000 2 Désignations 3 Types de livres numériques Afficher / masquer la sous-section Types de livres numériques 3.1 Homothétique 3.2 Enrichi 3.3 « Originairement numérique » 4 Qualités d'un livre numérique 5 Intérêts et ...
The empty string should not be confused with the empty language ∅, which is a formal language (i.e. a set of strings) that contains no strings, not even the empty string. The empty string has several properties: |ε| = 0. Its string length is zero. ε ⋅ s = s ⋅ ε = s. The empty string is the identity element of the concatenation operation