Aron Gudema was a cattle dealer. He went into hiding with a farmer at the Kijl D1 in Stadskanaal from April to June 1943. From this address Aron Gudema wrote letters to other people who had gone into hiding. On 20 June 1943 he was brought to another address, where he was arrested the following day.
See: Hans Onderwater, Mobilisatie, collaboratie, liberatie, de jaren 1938-1948 in Stadskanaal
(2e druk, Stadskanaal 1977) 249-250
For a picture of Aron Gudema and Geertje Meijer from 1932: C.A. van der Berg en E.P. Boon, De joodse gemeenschap in de Kanaalstreek: Stadskanaal, Musselkanaal, Onstwedde en Mussel (Groningen 1992).