International Solar Commission members, at the Solar Physics Observatory in South Kensington, London, UK. These men are members of the International Solar Commission. Front row (left to right): Professor Backland (Russia), Monsieur Angot (France), Sir Joseph Norman Lockyer (President, UK), Professor Ricco (Italy) and Professor Steen (Norway). Back row: Dr. William Lockyer (Norman's son), Professor Bruhl (Germany), Dr. Exner (Austria) and Dr. Wind. The Solar Physics Observatory was founded by the Royal Commission on Scientific Instruction and the Advancement of Science in 1875. Photographed in August 1904.