Which of the following persons invented the first safety razor?

Options :
  1. King Camp Gillette
  2. William Samuel Henson
  3. Frederick and Otto Kampfe
  4. Jean Jacques Perret
Answer and Explanation :-

Answer: Option 4

Explanation:

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There is a trick to flying. The angels told me." He had smiled at my wide-eyed awe. "You need to forget everything you know as a human being. When you are human, you discover that there is great power in hating the earth. And it can almost make you fly. But it never will."I had frowned, not quite understanding him. "So, what's the trick?""Love the sky.
-Anne Fortier Juliet