You can find biographical information about composers at the relevant titles.
Blech, Leo; (1871-1958)
Bossi, Marco Enrico; (1861-1925)
Brahms, Johannes; (1833-1897)
Cartellieri, Anton; (1772-1807)
CLARINET NEWS, Ensemble; >>> Website
Debussy, Claude; (1862-1918)
Dietrich, Albert; (1829-1908)
Dimler, Franz Anton; (1753-1827)
Dvorák, Anton; (1841-1904)
Eler, André Frédéric; (1764-1821)
Fuchs, Georg Fridrich; (1752-1821)
Gieseking, Walter; (1895-1956)
Ginastera, Alberto E.; (1916-1983)
Hänsel, Peter; (1770-1831)
Haydn, Joseph; (1732-1809)
Humperdinck, Engelbert; (1854-1921)
Kling, Henri; (1842-1918)
Kiel, Friedrich; (1821-1885) >>> Website
Kirchner, Volker David (1942-2020)
Kossmaly, Carl; (1812-1993)
Kowal, Richard; (1865-1884)
Krassnitzer, Gerhard (info)
Kreher, Matthias
Kunsemüller, Ernst; (1885-1918)
Lassen, Eduard; (1830-1904)
Liszt, Franz; (1811-1886)
Lux, Friedrich; (1820-1895)
Mahler, Gustav; (1860-1911)
Martin, Ernst; [1887]
Melton, William; (info)
Miller, Glenn; (1904-1944)
Mozart, Wolfgang Amadeus; (1756-1791)
Mendelssohn-Bartholdy, Felix; (1809-1847)
McWilliam, Fergus (info) >>> Website
Müller, Iwan; (1786-1854)
Neumann, Heinrich; (1792-1861)
Pleyel, Ignaz J.; (1757-1831)
Popp, Wilhelm; (1828-1902)
Puccini, Giacomo; (1858-1924)
Romero y Andia, Antonio; (1815-1886)
Rummel, Christian; (1787-1849)
Saint-Saëns, Camille; (1835-1921)
Schumann, Robert; (1810-1856)
Smetana, Bedrich; (1824-1884)
Strauss, Richard; (1864-1949)
Sorg, Andreas (info)
Tillmetz, Rudolf; (1847-1915)
Tod, Eduard Adolf; (1839-1872)
Verdi, Giuseppe; (1813-1901)
Wagner, Richard; (1813-1883)
Weber, Carl Maria von; (1786-1826)
Wette, Adelheid; (1858-1916)
Widerkehr, Jacques; (1759-1823)
Zehm, Friedrich; (1923-2007) >>> Website