[1] Ermalovich was born in the village of Maly Novoselki (modern Dzerzhinsky district).
He devoted decades to studying ancient Belarusian chronicles and other primary sources.
[2] Some commentators believe that Yermalovich presented the pseudo-historic conception of Litvinism, which asserts that the Grand Duchy of Lithuania was Belarusian, not Lithuanian.
[3][dubious – discuss] Other professional historians criticized Ermalovich's books as non-scientific, however it is acknowledged that "it was Ermalovich's books that contributed a great deal to the expansion of research in the field of ancient history of Belarus" and "encouraged [Belarusian] academic historians to pursue further studies of the history of the Grand Duchy of Lithuania".
You can help Wikipedia by expanding it.This biographical article about a Belarusian historian is a stub.