Doc Twist Horseshoe

The eminent chemist smiled from ear to ear. "And I will add more. You will, perhaps, find it hard to believe. I have said Doc Savage is a mental marvel. Well, he is also a muscular marvel as well. He has a body as amazing as his brain.

"His strength and agility are incredible. Why, for Doc Savage it is child's play to twist horseshoes, bend silver half-dollars between thumb and forefinger and tear a New York telephone directory in half.

- The Land of Terror (1933) Chapter 1