Major Thomas Gregory
|Title||Major Thomas Gregory|
|Place made||Australia: Queensland, North Queensland, Cairns|
|Medium||pencil with black conte crayon on paper|
|Measurement||Overall: 44.8 x 31.9 cm|
Portrait depicting Major Thomas Screen Gregory, VX38195, Senior Pathologist, Australian Army Medical Corps, Land Headquarters Medical Research Unit. The pathologists at LHQ Medical Research Unit were responsible for testing the blood samples of the volunteer subjects daily and monitoring the presence of the malaria parasites.