Keith Meredith Oliphant

https://www.findagrave.com/memorial/248472014/keith-m-oliphant

OLIPHANT KEITH MEREDITH : Service Number - 39221 : Date of birth - 01 Jan 1905 : Place of birth - FORESTVILLE SA : Place of enlistment - ADELAIDE : Next of Kin - OLIPHANT CORAL
https://recordsearch.naa.gov.au/SearchNRetrieve/Interface/ViewImage...

Keith Meredith Oliphant (1 January 1905 – 1981) married Coral Mary Milton (1903–1986) in 1928. X-ray technician with Adelaide University before WWII. With the 2/3 Field Regiment of the Royal Artillery in the Greek mountains in 1940, with the RAAF in 1944. An expert in electrostatics, he was involved in the pioneering xerography work of Research Laboratories of Australia Ltd.,[16] an offshoot of Adelaide University.

Mentioned in volume 3 of his brother Mark's ASIO file under the name Flight Sergeant Kenneth Oliphant without appearing to of realised that their informant got his name wrong.

https://www.familysearch.org/tree/person/GLXX-W3X
FamilySearch Family Tree
Birth: Jan 1 1905 - Forestville, South Australia, Australia
Death: Feb 9 1983 - Mitcham, South Australia, Australia
Parents: George Harold Olifent, Fanny Beatrice Edith Olifent (born TUCKER)
Wife: Coral May Oliphant (born Milton)
Siblings: Marcus Laurence Elwin OLIFENT, Roland Harry Oliphant, Donald Knox Oliphant, Nigel Besant Oliphant