Frederick Percival Mackie
Colonel Frederick Percival Mackie CSI OBE KHS FRCP FRCS (19 February 1875 – 15 July 1944) was an English physician who served in the Indian Medical Service between 1901 and 1931 working on the incidence, transmission, and pathology of insect-borne tropical diseases. He discovered the vectors for relapsing fever and kala-azar.
Source: Wikipedia — Frederick Percival Mackie (CC BY-SA 4.0)