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Hans and Zacharias Janssen
Produced the first compound microscope by combining two convex lenses within a tube. -
Robert Hooke
Discovered the cellular composition of cork and introduced the word cell to science. -
Anton van Leeuwenhoek
Improved magnification of microscopes by polishing lenses. -
Matthias Schleiden
Discovered the plants were made up of cells. -
Theodor Schwann
Fiscovered that animals were made up of cells.
