History Of Biotech By Colton45 Period: Jan 24, 1600 to Jan 24, 2014 History Of Biotech Jan 24, 1656 Microscope Jan 24, 1665 Hooke Jan 24, 1675 Bacteria Jan 24, 1863 Mendel Jan 24, 1870 Pasteur Jan 24, 1950 freezing sperm Jan 24, 1953 Watsons crick Jan 24, 1970 embryo Transfer Jan 24, 1972 DNA recombunant