In not less than 2 pages, write a comprehensive history of how micro biology has developed over time

Microbiology, the study of microscopic organisms, has evolved significantly over centuries. Its origins trace back to the invention of the microscope. The foundational period began in the 17th century with Antonie van Leeuwenhoek, who, using his self-made single-lens microscopes, was the first to observe and describe bacteria and other microorganisms, which he called "animalcules," in various samples like pond water and dental plaque around 1674. This marked the first time humans became aware of an unseen microbial world. The 19th century saw major advancements. The debate over spontaneous generation was definitively settled by Louis Pasteur in the 1860s. Through his elegant swan-neck flask experiments, Pasteur demonstrated that microorganisms do not spontaneously arise from non-living matter but instead come from pre-existing microbes in the air, thus establishing the principle of biogenesis. Pasteur's work also laid the groundwork for the germ theory of disease, which proposed that specific microorganisms cause specific diseases. This theory was further developed and rigorously proven by Robert Koch in the 1880s. Koch identified the causative agents of anthrax, tuberculosis, and cholera, and formulated Koch's Postulates, a set of criteria still used today to establish a causal relationship between a microbe and a disease. His techniques for culturing bacteria on solid media were also revolutionary. Concurrently, the field of immunology began to emerge. Edward Jenner pioneered vaccination against smallpox in the late 18th century, though the microbial basis was not understood at the time. Pasteur later developed vaccines for rabies and anthrax, demonstrating the principle of attenuated vaccines. The 20th century brought the era of antibiotics. In 1928, Alexander Fleming discovered penicillin, the first antibiotic, from the mold Penicillium notatum. This accidental discovery revolutionized medicine by providing effective treatments for bacterial infections, leading to a significant reduction in mortality from infectious diseases. Later in the 20th century, microbiology expanded into molecular biology and genetics. The discovery of the structure of DNA by Watson and Crick in 1953 provided insights into microbial genetics. Carl Woese's work in the 1970s, using ribosomal RNA sequencing, led to the reclassification of life into three domains: Bacteria, Archaea, and Eukarya, fundamentally changing our understanding of microbial diversity and evolution. Today, microbiology continues to be a dynamic field, addressing challenges in public health, environmental science, biotechnology, and agriculture, constantly revealing new insights into the vast and critical roles of microorganisms on Earth. 3 done, 2 left today. You're making progress.