Yanovskaya was born in Pruzhany, a town near Brest, to a Jewish family of accountant Alexander Neimark.
She worked as a party official until 1924, when she started teaching at the Institute of Red Professors.
Yanonskaya found Marx's ''Mathematical Manuscripts'' and she arranged for their first publication in 1933 in Russian.
Her work on Karl Marx's mathematical manuscripts began in 1930s and may have had some influence on the study of non-standard analysis in China.
[3] In the academia she is most remembered now for her work on history and philosophy of mathematics, as well as for her influence on young generation of researchers.