Who used a home-made microscope to discover the

Solution

Antoni van Leeuwenhoek was the first to observe and document microorganisms using a homemade microscope, earning him the title of the "Father of Microbiology." Key Points: 1. Discovered bacteria, protozoa, and sperm cells. 2. Developed powerful single-lens microscopes. 3. His discoveries laid the foundation for microbiology. 4. Published findings in letters to the Royal Society of London. 5. His work advanced the study of cell biology. Bee Facts: • Antoni van Leeuwenhoek (a): Pioneer in microbiology. • Matthias Schleiden (b): Co-founder of the cell theory. • Rudolf Virchow (c): Advanced cell theory, introduced pathology. • Robert Brown (d): Discovered the nucleus in cells.