S9.com / Biographies /
Troland, Leonard Thompson
Born: 1889 AD
Died: 1932 AD, at 43 years of age.
Nationality: Unknown
Categories: None
Died: 1932 AD, at 43 years of age.
Nationality: Unknown
Categories: None
US inventor, psychologist, and psychophysiologist
| | Page last updated: 2:17pm, 25 |
