Concerning Count Leo Tolsltoy from wikipedia:

His conversion from a dissolute and privileged society author to the non-violent and spiritual anarchist of his latter days was brought about by his experience in the army as well as two trips around Europe in 1857 and 1860–61. Others who followed the same path were Alexander Herzen, Mikhail Bakunin, and Peter Kropotkin. During his 1857 visit, Tolstoy witnessed a public execution in Paris, a traumatic experience that would mark the rest of his life. Writing in a letter to his friend Vasily Botkin: "The truth is that the State is a conspiracy designed not only to exploit, but above all to corrupt its citizens ... Henceforth, I shall never serve any government anywhere."[7]