Professor J B S Haldane, and his Canadian assistant Hazen Size demonstrate gas masks in front of a ruined house and huge pile of rubble. Hazen Sise is wearing a gas mask as Haldane describes its functions. Possibly Albacete or Madrid.
arrilla, Popular Front of Madrid, 1937 | Flickr - Photo Sharing!
Hans Kahle and Richard (surname unknown), senior commanders of the Thaelmann Battalion pose for the camera with a Spaniard. This battalion consisted of German soldiers fighting with the International Brigade against Franco and the Nationalists. They are sitting in front of a van/ambulance-type vehicle. On the side of this vehicle are the words: 'Regimiento de Acer...' and 'Cultura Popula...', along with the remains of various posters.