A Dictionary of Music and Musicians/Mortier de Fontaine
Appearance
MORTIER DE FONTAINE. A pianist of celebrity, born at Warsaw May 13, 1816. He was possessed of unusual technical ability, and is said to have been the first person to play the great sonata of Beethoven op. 106 in public. From 1853 to 1860 he resided in St. Petersburg, since then in Munich, Paris, and many other towns, and is now living in London. [App. p.720 "date of death, May 10, 1883."]
[ J. A. F. M. ]