Percy Williams Bridgman experimented with what two dependents of ductility?
Ductility:  Also, these material properties are dependent on temperature and pressure (investigated by Percy Williams Bridgman as part of his Nobel Prize-winning work on high pressures). Percy Williams Bridgman: Percy Williams Bridgman (21 April 1882 – 20 August 1961) was an American physicist who won the 1946 Nobel Prize in Physics for his work on the physics of high pressures.
temperature and pressure