Career
He took part in the Third Silesian Uprising and in the Polish–Soviet War. Dubois was a creator of the Red Scouts (Czerwone Harcerstwo Towarzystwa Uniwersytetu Robotniczego). Dubois was a secretary in the editorial office of the Robotnik (the Worker) paper.
As an opponent of Sanation he was charged in 1930 with the communist agitation in Lwów and sentenced in the Brest trials for 3 years in prison.
He was held at the Brest Fortress and while imprisoned, run in the Polish legislative election, 1930. He was released the following month.
Dubois took part in the Polish resistance movement in He was arrested in 1940 in Warsaw and transported from the Pawiak prison to Auschwitz-Birkenau, where he conspired with Witold Pilecki to gather intelligence (see, the Resistance movement in Auschwitz for more information). He was executed by the Nazis in 1942.