The 17th-century cloth merchant who discovered the vast realm of tiny microbes – an appreciation of Antonie van Leeuwenhoek
- Written by Richard Gunderman, Chancellor's Professor of Medicine, Liberal Arts, and Philanthropy, Indiana University
Leeuwenhoek refined the magnifying glass, creating the world's first microscope.Tetra Images via Getty ImagesImagine trying to cope with a pandemic like COVID-19 in a world where microscopic life was unknown. Prior to the 17th century, people were limited by what they could see with their own two eyes. But then a Dutch cloth merchant changed...

