4. AT about the same that Robert Hooke made his discovery Anton Van Leeuwenhoek also began to observe tiny object of microscope. Leeuwenhoek was a Dutch businessman who sold cloth. In his spare time he built simple microscope. Leeuwenhoek looked a drops Leeuwenhoek was surprised to find a variety of one-called organisms. Leeuwenhoek noted that many of these tiny organisms moved
*Anton Van Leeuwenhoek saw unicellular organisms like protozoa and many tiny animals swimming about a drops of water. Anton Van Leeuwenhoek (1632-1723) has since been called the Father of Microscopy.