History of the Light Microscope http:////cdn.knightlab.com/libs/timeline3/latest/embed/index.html?source=1VVaeNIAadSoV9G8cgNKcuPtRbBeU4QFAdip8zyyOu1c&font=Default&lang=en&initial_zoom=2&height=650\" width=\"100%\" height=\"650\" frameborder=\"0\"