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 cao... Read allThis 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.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
- (voice)
Feodor Chaliapin Jr.
- Bit Part
- (uncredited)
Helen Dickson
- One of Goodyear's Guests
- (uncredited)
Gregory Golubeff
- Bit Part
- (uncredited)
Sheldon Jett
- One of Goodyear's Guests
- (uncredited)
Arthur Space
- Charles Goodyear
- (uncredited)
