He was a notable piano teacher, with students including Béla Bartók, Ernő Dohnányi, Paul de Marky who later taught Oscar Peterson in Quebec, Gisela Selden-Goth, and Georges Cziffra.

[1] Liszt appointed him to teach at the Royal Hungarian Academy of Music in Budapest,[3] but had to retire suddenly at the age of 45.

[4] Thomán toured with Liszt, was present at his death and was a pallbearer at his funeral.

In 1903, a 21-year-old Béla Bartók dedicated his Study for the Left Hand to Thomán.

She gave concerts throughout Europe, both as a soloist and in the accompaniment of philharmonic orchestras and chamber ensembles.