De Forest
/dɪˈfɒrɪst/- De Forest, Lee (1873-1961), American physicist and electrical engineer. He designed a triode valve that was crucial to the development of radio communication, television, and computers.德福雷斯特, 李（1873-1961, 美国物理学家和电气工程师, 设计了对无线电通讯、电视和计算机发展至关重要的三极管）。