What is the major contribution of Robert Hooke?

Used light microscope to look at thin slices of plant tissues

After Antony Leewenhoek's microscope,Robert Hooke created the modern microscope.

In 1965,Robert Hooke was the first person to describe cells.

He discovered the tiny box-like compartments while observing cork under a microscope which he named 'cells' meaning a small compartment. That was the first time when someone had the first glimpse of...