See Tours, pp. 156 and 225 for a brief history of Dr. Octave Deniau (1839 - ) the 'médecin-céramiste'. Here he is recorded as an exhibitor at the Art and Industry Exhibit of Tours in 1898, 1899 & 1900 and the Beaux-Arts of Tours in 1911; also see fig. 90 for a signed example of his work from the Collection of Ronald and Christina Gidwitz.