 Complete the following phrase:  Tumas was also active in Lithuanian cultural life in Vilnius. He was a board member of the Lithuanian Scientific Society and gifted some of his personal book collection to its new library. He was also a member of the Lithuanian Art Society and participated in the cultural Rūta Society. In July 1910, Tumas traveled as a correspondent to the official opening of the Grunwald Monument in Kraków during the celebration of the 500th anniversary of the 