Table 1.

Early history of research on mononuclear phagocytes

YrResearcherArea
1883Elie I. MetchnikoffPhagocyte theory: microphages (neutrophils), macrophages
1903Almoth E. WrightOpsonins
1924L. AschoffReticuloendothelial system
1932P. Del Rio-HortegaMicroglia, silver stains
1965Zanvil A. CohnMononuclear-phagocyte differentiation