Born on 7th February 1883 in Veliko Tarnovo, died on 31st December 1969 in Sofia.. For the period 1903-1908 he was teacher in his native town and as self-educated artist he organized exhibition in Sofia in 1909. From 1909 to 1914 he studied arts of painting in Munich with Prof. Leo von Lefts. From 1914 to 1935 he has been Bulgarian military artist. He created a number of compositions on military topics and the sphere of landscapes through which the Bulgarian Army was passing through. After with war, mainly painted landscapes of Bulgarian cities (Melnik, Samokov, Plovdiv, Sofia,..).
Boris Denev was a military painter of the first generation. He visited Macedonia with the Bulgarian army in 1915 where he produced numerous drawings and watercolors.