Rosemary Foster

Set in Paris during the French Revolution, it tells the story of Philippe Pinel and his efforts in pointing out that the mentally-ill should not be treated as animals. (wikipedia)

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.