1 1933 - Ruska builds the first electron microscope that exceeds the resolution of the light microscope. 2  It has an accelerating voltage of 75 kV. 3  1934 - First electron micrograph of a biological sample. 4  long-leaved sundew fixed with osmium. 5  1937 - First scanning electron microscope is built.
Doris Roberts, star of âEverybody Loves Raymond,' dies at 90. Veteran actress Doris Roberts, who delighted audiences as one of television's favorite grandmothers with her work on the long-running sitcom Everybody Loves Raymond, died over the weekend. Roberts died in Los Angeles on Sunday. She was 90.
From 1965 to 1967, she had a recurring role in the NBC television series Please Don't Eat the Daisies, based on an earlier Doris Day film. Her best-known role came in 1971 as Grandma Esther Walton on the made-for-TV film The Homecoming: A Christmas Story, which served as the pilot for The Waltons. Her husband, Zebulon Walton, was portrayed by actor Edgar Bergen in the made-for-TV film.