December 21

Events

 * 1807 - Joseph Fourier's memoir On the Propagation of Heat in Solid Bodies was read to the Paris Institute, which contained a mathematical work we now call Fourier series

Births

 * 1850 -, Bohemian composer (d. 1900)
 * 1872 -, Italian composer (d. 1956)
 * 1873 -, Croatian composer (d. 1934)
 * 1942 -, American singer
 * 1944 -, American conductor
 * 1946 -, American conductor (d. 1995)
 * 1946 -, American musician (The Beach Boys) (d. 1998)
 * 1950 -, Norwegian singer-songwriter
 * 1951 -, English musician (Sweeney Todd)
 * 1955 -, Japanese musician
 * 1971 -, French musician
 * 1971 -, American singer (Fuel, The X's)
 * 1976 -, Lead Singer for Supernova
 * 1981 -, Mexican singer