First practical videotape was demonstrated by

Options :
  1. Fyodor Dostoevsky and Edwin Lend
  2. Ginsburg and Ray Milton
  3. NG Citre and RG Torney
  4. Seiko Malingam and Allan Blemlin
Answer and Explanation :-

Answer: Option 2

Explanation:

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I am quite a wise old bird, but I am no desert hermit who can only prophesy when his guts are knotted with hunger. I am deep in the old man's puzzle, trying to link the wisdom of the body with the wisdom of the spirit until the two are one.
-Robertson Davies