zacharias janssen and his father made the first microscope with his father also water was not that interesting till the microscope was in vented.
Hooke using microscope that he created viewed the cell walls of a cork for the first time. he coined the term cell still used in biology today.
van Leeuwenhoek observed the first living cell in pond water using lenses that he created for his microscope to see the cells.
Virchow is credited with several very important discoveries. His most widely known scientific contribution is his cell theory, which built on the work of Theodor Schwann. He was one of the first to accept the work of Robert Remak, who showed the origins of cells was the division of pre-existing cells
schieiden proposes that all plants tissues are composed of cells.
schwann concludes that just not plant tissue it not the only thing that has cells.he also stated that cells are the basic unit for all organism.
The cell theory states that 1. cells are the unit of structure of all living things 2. cells are the unit of function of living things—they carry out life processes 3. all cells come from pre—existing cells.