"Mbozi: Br. Giersch tropft einem Kind Medizin in die Augen. -> Schw. Tietzen. Erhalten von Br. Giersch 1929." ("Mbozi: Br[other] Giersch drops a child medicine into the eyes. -> S[ister] Tietzen. Received from Br[other] Giersch 1929."). Missionary Giersch administers eye-drops to a baby, who is held by the seated mother. Sister Tietzen helps holding the head.; Ernst Otto Giersch (1878-1946 ) was a missionary of the Herrnhuter Brüdergemeine. He served from 1906 to 1908 in Mbozi (together with his wife Anna Magdalena, née Seiler) and returned home because of illness. From 1927 to 1929 he again served in Mbozi. -- Theodor Tietzen (1893-1973) was a missionary of the Herrnhuter Brüdergemeine. Having married Hildegard Marie Lenz in 1921 and served in South Africa (West) from 1922 to 1927, he moved to East Africa, where he served in Mbozi till 1929 and in Utengule till 1939. In the 1950s he returned to South Africa.