Greenleaf Whittier Pickard
Greenleaf Whittier Pickard ( February 14, 1877 - January 8, 1956 ) was an American engineer and pioneer of early radio and radio technology . He realized that buildings and other objects can reflect radio waves .
In addition, during research with crystals as receivers, he discovered that elements with a crystal structure such as silicon have the best semiconductor properties.
On August 30, 1906, he applied for the first patent for a silicon diode . The functionality of semiconductor components was only recognized much later.
In 1930 Pickard was elected to the American Academy of Arts and Sciences .
Web links
Individual evidence
- ↑ Patent US836531 : Means For Receiving Intelligence Communicated By Electric Waves. Published November 20, 1905 , inventor: Greenleaf Whittier Pickard.
| personal data | |
|---|---|
| SURNAME | Pickard, Greenleaf Whittier |
| BRIEF DESCRIPTION | American engineer |
| DATE OF BIRTH | February 14, 1877 |
| DATE OF DEATH | January 8, 1956 |