It is not easy to understand how the electron microscopes and electron microscope techniques that we know today developed from the primitive ideas of the first microscopists of the 1930s. Newcomers to the subject in particular, their time almost fully occupied with grasping practical methods and modern computing techniques, can rarely devote much attention to the history of their subject. For some, however, this is a source of frustration: If a guide to the principal stages in the development of the subject and to the main actors and their publications were available, they would find the time to study it.

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