While in Germany he published a pamphlet on the Lithuanian character. In this work, Girnius favorably compared the Lithuanians with neighboring nationalities and concluded that they are warmer than the Germans and more open than the  Russians. In 1949, Girnius settled in the United States.
In Germany, Girnius wrote a pamphlet about Lithuanian character. He contrasted the Lithuanians favorably with neighboring peoples, stating they are warmer than the Germans and more open than the Russians. In 1949, Girnius moved to the United States.