Biotech Historical Timeline By kelsey98 Jan 24, 1600 Microscope was invited by Hooke Period: Jan 24, 1600 to Jan 24, 2014 Biotchnology Jan 24, 1675 Leeuwenhoek Found bacteria Jan 24, 1870 Mendel Developed an understanding of inheritance in pea plants Jan 24, 1953 Watson and Crick They published a model of DNA Jan 24, 1972 Paul Berg Recombinant DNA