Walther Eidlitz (1892 – 1976), also known as Vamana Dasa, was an Austrian writer of novels, plays, travelogues and Gaudiya Vaishnava philosophy and history. Much can be learnt about Walther Eidlitz by reading his autobiographical work, which was originally published in 1952 with the title, Unknown India: A Pilgrimage into a Forgotten World (London, New York: Rider and Co.). Walther Eidlitz was a prolific writer with over fifteen books in Swedish and German, among which at least nine relate to Vaishnava theology, religious beliefs and practice. They are Den glomda varlden (Stockholm: 1948) Bhakta, Eine Indische Odyssee (1955) Krishnas Leende (1955) Die Indische Gottes Liebe (1955) Indisk Mystik (1956) Krishna – Caitanya: Sein Leben und Siene Lehre (1968) Livets mening och mal I indiskt tankevvarld (1972) Der Sinn des Lebens: Der indishe Weg zur Liebenden Hingabe (1974) Guds Lek (1976) His book on Krishna Chaitanya is prescribed in various European universities as