Who for the first time developed electron microscope?

Question

Who for the first time developed electron microscope? (A) Knoll and Ruska (B) Rudolf and Kolliker (C) Robert Hooke (D) Swanson

Tardigrade Admin · Accepted Answer

German Physicist Ernst Ruska and the electrical engineer Max Knoll constructed and developed electron microscope.

Q. Who for the first time developed electron microscope?