He is best known for creating a dye solution commonly known as "Giemsa stain" which is used in staining for use in the histopathological diagnosis of malaria and parasites such as Plasmodium, Trypanosoma, and Chlamydia.
This individual is renowned for developing a dye solution widely recognized as "Giemsa stain," which is employed in staining procedures for diagnosing malaria and other parasitic infections like Plasmodium, Trypanosoma, and Chlamydia through histopathology.