Some important events in the development of microbiology.

Year Scientists Discovery(s)
1590-1608 Jansen Develops first useful microscope.
1676 Antony van Leeuwenhoek 1st to observe and accurately record and report microorganisms.
1688 Francesco Redi Publishes work on spontaneous generation of maggots.
1786 Miller Proposes 1st classification of bacteria.
1798 Edward Jenner Introduces cowpox vaccination for small pox.
1838-1839 Schwann and Schleiden Proposed the cell theory.
1809-1885 Jacob Henle Establishes principles for germ theory of disease
1822-1895 Louis Pasteur Establishes germ theory of disease and germ theory of fermentation, developed immunization techniques.
1827-1912 Joseph Lister Developed aseptic techniques for isolation of bacteria in pure culture.
1850-1934 Fanny Hesse Suggested use of agar as a solidifying material for microbial media.
1843-1910 Robert Koch Develops pure culture technique and Koch’s postulates. Discovered causative agents of anthrax and tuberculosis and rabies vaccine.
1853-1933 Hans Christian Gram Gram staining method.
1863 Mendel Discovers laws of genetics.
1887-1890 Sergei Winogradsky Nitrogen fixing bacteria in soil.
1887 Richard Petri Developed petri plate.
1889-1901 Martinus Beijrinck Concept of a virus, enrichment culture method.
1902 Landsteiner Discovers blood groups.
1908 Paul Ehrlich Chemotherapeutic agents.
1923 1st edition of Bergey’s Manual of Systematic Bacteriology.
1928 Griffith Discovers bacterial transformation.
1929 Alexander Fleming Discovery of penicillin.
1944 Selman Waksman Discovery of streptomycin.
1946 Lederberg and Tatum Describe bacterial conjugation.
1952 Zinder and Lederberg Discover generalized transduction.
1953 Watson and Crick Proposed the double helix structure of DNA.
1959 Rodney Porter Immunoglobulin structure.
1959 F. Macfarlane Burnet Clonal selection theory.
1961 Jacob and Monod Proposed the operon model of gene regulation.
1970 Arber and Smith Discovery of restriction endonuclease.
1972 Cohen and Boyer Develop recombinant DNA technology.
1975 Georges Kohler and Cesar Milstein Monoclonal Antibodies.
1977 Gilbert and sanger Develop technique for DNA sequencing.
1983-1984 Kary Mullis Developthe Polymerase Chain Reaction.
1982 Genbank database established.
1983 Luc Montagnier Discovery of HIV, the cause of AIDS.
1996 Dolly- the sheep was cloned.

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