-
Hans and Zacharias Jansen
Worked together to invent the compound microscope -
Robert Hooke
Made the first discovery of the cell -
Francesco Redi
Disproved the theory of spontaneous generation -
Antonie van Leeuwenhoek
First to observe bacteria and protozoa -
Felice Fontana
Discovered the nucleolus in the nucleus of cells -
Robert Brown
Discovered the nucleus in eukaryotic cells -
Matthias Schleiden
Contributed to the cell theory declaring that the cell is the basic building block of all plant matter -
Theodor Schwann
Contributed to the cell theory concluding that all organisms are made of one or more cells -
Rudolf Virchow
Contributed to the cell theory, stating that every cell arises from another cell -
Hans Christian Gram
Developed the technique of gram staining
