Barton achieved widespread recognition by delivering lectures around the country about her war experiences in 1865–1868. During this time she met Susan B. Anthony and began an association with the woman's suffrage movement. She also became acquainted with Frederick Douglass and became an activist for civil rights. After her countrywide tour she was both mentally and physically exhausted and under doctor's orders to go somewhere that would take her far from her current work. She closed the Missing Soldiers Office in 1868 and traveled to Europe. In 1869, during her trip to Geneva, Switzerland, Barton was introduced to the Red Cross and Dr. Appia; he later would invite her to be the representative for the American branch of the Red Cross and help her find financial benefactors for the start of the American Red Cross. She was also introduced to Henry Dunant's book A Memory of Solferino, which called for the formation of national societies to provide relief voluntarily on a neutral basis.