Much can often be learned by the repetition under different conditions, even if the desired result is not obtained.
Archer John Porter MartinAbout author
- Author's profession: Scientist
- Nationality: british
- Born: March 1, 1910
- Died: July 28, 2002
Much can often be learned by the repetition under different conditions, even if the desired result is not obtained.
Archer John Porter Martin