Born Aug. 11, 1858, in Nijkerk, Gelderland; died Nov. 5, 1930, in Utrecht. Dutch bacteriologist and physician.
Eijkman earned his doctorate in medicine from the University of Amsterdam in 1883 and worked under R. Koch in Berlin. He served as an army physician in Indonesia in 1886, became director of the Batavian Laboratory of Pathology in Jakarta in 1888, and served as professor of hygiene at the University of Utrecht in The Netherlands from 1898 to 1928. Eijkman, whose works were mainly concerned with vitamins, discovered that vitamin deficiency is the cause of several diseases.
Eijkman was awarded a Nobel Prize in 1929, together with F. Hopkins.