Lutheran missionary at Hermannsburg Mission (now known as Finke River Mission). Kempe worked as a blacksmith at the mission, but also collated and published an Arrernte Language dictionary.
The graph displays the other subjects mentioned on the same pages as the subject “A H Kempe”. If the same subject occurs on a page with “A H Kempe” more than once, it appears closer to “A H Kempe” on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.