The credit for discovering the Microscope is usually shared by the Hansens, Leewenhock, and Robert Hooke. But only one of them managed to see any micro‐ organisms through his magnifying glass, and to produce reasonable sketches. This was done by ……..

• A. Robert Hooke
• B. Hans Jansen
• C. Sakharias Jansen
• D. Leeuwenhock