Dr Griff's Invention

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Dr Griff's Invention
Start date: December 23rd, 1940
End date: April 5th, 1941
# of strips: 90 (15 weeks)
Writer: Lee Falk
Artist: Phil Davis
Preceded by: "The Octopus Ring"
Followed by: "The Mystery of the Striped Orchid"

"Dr Griff's Invention" is the 23rd Mandrake daily story. The story was written by Lee Falk and drawn by Phil Davis.

Plot Summary

Dr. Griff has invented an eletrical-projection machine that will make all enemy airfleets obsolete. Mandrake is to take him to a secret laboratory, where he can complete his work. The night before they leave, Griff is captured by enemy agents. He refuses to give up his secret. An actor desguises himself as Griff, taking the doctor's place. Griff is drugged and the enemy agents decide to smuggle him out of the country.


Recurring characters

One-time characters

  • Dr. Griff, an inventer.
  • Foote, at the War Department.
  • The Chief, an enemy agent.
  • Pug, an enemy agent.


  • New York
    • The War Department.
  • At sea and countryside.

Behind the scenes


  • The title for the story is taken from the strip of December 28, 1940 (Monday = Dr Griff's Invention).

Signifiant covers


This story has been published in the following publications:

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Mini denmark.gif Denmark

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Mini germany.gif West Germany

Mini italy.gif Italy

Mini french polynesia.png French Polynesia

  • "L'invenzione del dottor Griff", Mandrake #5 (Comics Stars in the World 1976) note: Italian text.

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