Charles W Rees developed a micromanipulator that permitted microscopic handling of amoebic cysts
In 1938, Dr. Charles Rees developed a special micro-manipulator to isolate cells so that a single species of bacterium could be grown in culture and more easily studied. Reesﾒ micro-manipulator was used in several areas of research.
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Source: National Institutes of Health
Credit: PDF: 70 Acres of Science, The NIH moves to Bethesda.
