"Kyimbila. Arbeiter säubern die Kautschuk-Plantage." ("Kyimbila. Workers clean up a plantation of rubber trees."). About ten men with hoes lined up in a semi-circle are cultivating the area around rubber trees. In the background: trees and bushes.; Adolf Ferdinand Stolz (1871-1917) was a mission trader of the Herrnhuter Brüdergemeine in Ipanya from 1898 to 1902 and in Kyimbila from 1903 to 1914. He was responsible for the plantations in Kyimbila and Rutenganio. In 1898 he married Helene Elisabeth, née Kootz (1872-1899), in 1903 Anna, née Schulze.