But while creatine's popularity endures, lots of guys are still skeptical of its benefits, or at least unfamiliar with what creatine has to offer. The short answer: Plenty. Here are six reasons you should consider adding creatine to your daily supplement regimen.
Quick Answer. The three scientists who formulated cell theory were Theodor Schwann, Matthias Jakob Schleiden and Rudolf Virchow. Schwann and Schleiden worked together to formulate the theory in 1838, and Virchow contributed to the theory in 1858.
Cell Theory. The discovery of the cell was made possible by the invention of the microscope, which was made possible by improved lens-grinding techniques.Antoni van Leeuwenhoek (1632-1723), a Dutch tradesman, learned to grind lenses and assemble them into simple microscopes.nspired by Hooke's work, Leeuwenhoek began making microscopic examinations of his own. In 1678, he reported to the Royal Society that he had discovered little animals -- bacteria and protozoa -- in various samples. The society asked Hooke to confirm Leeuwenhoek's findings, and he did.