Allan Champion
Resident Magistrate at Buna Mission
by Allan Champion via Eighty Three Years of Memories 1905 - 1988 (unpublished memoirs)

Prewar, Champion was stationed at Buna Government Station as the resident magistrate. During 1942, he aided American aviators and experienced Japanese air raids and their landing on the north coast of New Guinea. Champion retired to Australia and passed away in 1988.

Japanese Seaplane Lands At Buna
Mid-July 1942, the daring attack of Japanese seaplane

Rescue of the crew of B-17E 41-2446
Australian Resident Magistrate, Buna. Assisted the crew of B-17E Flying Fortress 41-2446 (aka "Swamp Ghost") by having them stay with him at Buna, and assisted them attempting to walk over the Owen Staneley Mountains back to Port Moresby.  When that failed arranged boat transport around the coast.

References
Eighty Three Years of Memories 1905-1988 by Allan Champion