Published Micrographia book

Named tiny structures in cork as “Cells”

Discovered spermatozoa

Discovered bacteria like Giardia

Described structures of mold and other small organisms

He visualized the tiny organisms and named them "animaculus"

He originally used hand lenses to examine the quality of cloth

He is the "Father of Microbiology"

His most famous achievement was that he used a single lens microscope to examine what seemed to be “everything.”

His collection of letters from the late 1600s are called Arcana Naturae Detecta

He was Isaac Newton’s contemporary rival

This is part of his work

This is part of his work

This is part of his work