This is a photo of the Chaco Radio Board for "Radio La Voz Del Chaco" (Radio Voice of the Chaco) with Jack Hoeppner, Radio Southern Manitoba engineer.
Pictured are (left to right): (seated) Cornelius Dyck, Fernheim Colony; Frank Kroeker, EMC; John Doerksen, EMC; (standing) Diedrich Lepp, EMC; Jack Hoeppner; Martin Friesen, Menno Colony; Abe Boschman, Fernheim Colony.