Clara Haskil (7 January 1895 - 7 December 1960) was a Romanian classical pianist, renowned as an interpreter of the classical and early romantic repertoire.
Personally I think it's the best performance ever recorded.
Provided to YouTube by Ingrooves Theme and Variations On the Name Abegg, Op. 1: Variation 1 · Clara Haskil Schumann: Theme and Variations On the Name ...
the pre-war recording (Paris, 1938)