Small bodies, about half a micron in diameter, and later referred to under the name of 'mitochondria' were detected under the light microscope as early as 1894.
Albert ClaudeWhen I went to the University, the medical school was the only place where one could hope to find the means to study life, its nature, its origins, and its ills.
Albert ClaudeI remember vividly my student days, spending hours at the light microscope, turning endlessly the micrometric screw, and gazing at the blurred boundary which concealed the mysterious ground substance where the secret mechanisms of cell life might be found.
Albert ClaudeThis attempt to isolate cell constituents might have been a failure if they had been destroyed by the relative brutality of the technique employed. But this did not happen.
Albert Claude