Answer:
1. Hans and Zacharias Janssen (1590): They created the first compound microscope with more than one lens.
2. Robert Hooke (1667): He details the discoveries he made with the microscope in his book, 'Micrographia'.
3. Anton van Leeuwenhoek (1675): He discovered bacteria with the help of the microscope.
4. Joseph Jackson Lister (1830): He discovered that to get a clearer magnification, weak lenses ought to be used at different distances.
5. Ernst Abbe (1878): Formulated a mathematical theory that showed the relationship between resolution and the wavelength of light.
6. Richard Zsigmondy (1903): Discovered the ultra microscope that enabled the examination of specimen beyond light's wavelength.
7. Frit's Xernike (1932): invented the phase-contrast microscope.
8. Ernst Ruska (1938): He invented the electron microscope.
9. Gerd Binnig and Heinrich Rohrer(1981): Both discovered the scanning tunnel microscope.
Step-by-step explanation: