German musicologist Beatrix Borchard spent a great deal of her career focusing on female musicians, including which 19th-century Romantic-era professional pianist?
Beatrix Borchard:  The focus of her publications is life and work of female and male musicians, such as Clara and Robert Schumann, Amalie and Joseph Joachim, Pauline Viardot-Garcia, Adriana Hölszky. Clara Schumann: Clara Schumann ("née" Clara Josephine Wieck; 13 September 1819 – 20 May 1896) was a German musician and composer, considered one of the most distinguished pianists of the Romantic era.
Clara Schumann