In 1898 he graduated from Warsaw University, he was a member of Zet political organizaction, National Democrats (Narodowa Demokracja) movement, and National League (Liga Narodowa) until 1911. In the first years of the World War I he was in Switzerland, where he wrote some articles for the Polish cause. In June 1917 he came back to Warsaw receiving a job in the administration under the Regency Council. Since 26 November 1917 till 27 February 1918 he was the prime minister of the Polish government. After 1920 he dedicated his life to scientific work. Since 1940 (World War II) he was in exile in the USA, where he published many works for the Polish cause, mainly from an anti-communist and anti-Soviet point of view.