

May 5, 1945
11m
EN
Douglas Foster
This short shows how two objects led to important discoveries. Children playing with a seesaw inspire French physician Rene Laennec to invent the stethoscope, and a pair of shoes made of caoutchouc lead Charles Goodyear to discover the process for vulcanizing rubber.

John Nesbitt
Narrator

Arthur Space
Charles Goodyear (uncredited)

Helen Dickson
One of Goodyear's Guests (uncredited)

Feodor Chaliapin Jr.
Bit Part (uncredited)


Rosemary Foster
1

Sheldon Jett
One of Goodyear's Guests (uncredited)

Metro-Goldwyn-Mayer
US