Lee de Forest
18731961
American inventor who developed the Audion triode vacuum tube, fundamentally enabling modern radio and long-distance telephony
2 یادگاریں ملیں
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فلٹر لاگو کرتے ہوئے زندگیوں میں سب دیکھیں18751961
Swiss psychiatrist, psychotherapist, and psychologist who founded analytical psychology and developed the concept of archetypes
