Final answer:
Antonie van Leeuwenhoek invented the first microscope and observed the first microbes.
Step-by-step explanation:
Who Invented the First Microscope and Observed the First Microbes?
The invention of the microscope and the first observation of microbes are credited to Antonie van Leeuwenhoek. Although it is unclear who exactly invented the microscope, Van Leeuwenhoek was the first to develop a powerful lens that allowed him to view microbes. In 1675, he observed single-celled organisms, such as bacteria and protists, using a simple but powerful microscope.