De Forest Collection

Early electronic valve, diagram
Audion amplifier. Diagram of an Audion triode valve that was the first amplifier. It was invented by Lee De Forest in 1907

Lee De Forest, US radio pioneer
Lee De Forest (1873-1961), American radio pioneer, holding the triode valve, or Audion tube, that he invented. De Forest studied at Yale, gaining his doctorate with a thesis on radio waves

Alphonse Mucha and Jaroslava posing for poster DeForest Phonofilm, 1927. Found in the Collection of A. Mucha Museum, Prague

DeForest Phonofilm. Presentation of one of the first musical sound films at the Adria in Prague, 1927. Private Collection

LEE DE FOREST (1873-1961). American inventor. Photographed in 1924

LEE DE FOREST (1873-1961). American inventor. Oil over a photograph, 1924

LEE DE FOREST (1873-1961). American inventor. Photographed in 1907

(1853-1871). Youngest son of President Abraham Lincoln. Carte de visite photograph by Charles DeForest Fredricks, c1862
THOMAS TAD LINCOLN (1853-1871). Youngest son of President Abraham Lincoln. Carte de visite photograph by Charles DeForest Fredricks, c1862

Workers using slash and burn to clear monsoon rainforest habitat, Taksin Maharat N. P. Tak Province, Thailand, february
Workers using slash and burn to clear monsoon rainforest habitat, Taksin Maharat N.P. Tak Province, Thailand, february

Recently partially cleared forest, with early stages of agriculture, Arunachal Pradesh, India, february

Tropical moist forest destruction, felled tree trunks and logs in logging camp, Upper Guinean Forest, Liberia

Slash and burn forest clearance, Alcoy Forest, Cebu Island, Philippines

Slash and burn forest clearance and farming on hills, Alcoy Forest, Cebu Island, Philippines

Piles of unsustainably cut firewood in montane forest, Meilixueshan, Yunnan, China, may

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"De Forest: Pioneering the Era of Electronic Valves and Sound Films" Step into the world of De Forest, an American inventor who revolutionized early electronic valves and sound films. With his groundbreaking contributions, he paved the way for modern technology as we know it today. In 1927, De Forest Phonofilm took center stage with its presentation of one of the first musical sound films at the Adria in Prague. This remarkable achievement showcased De Forest's ingenuity and marked a significant milestone in cinematic history. The captivating poster featuring Alphonse Mucha and Jaroslava posing for DeForest Phonofilm speaks volumes about the artistic allure that accompanied this technological breakthrough. Mucha's intricate artwork perfectly captured the essence of this innovative creation. As we delve deeper into De Forest's life, we come across photographs capturing his brilliance throughout different eras. In 1924, an oil-painted photograph showcases him as a visionary inventor immersed in his work. Another image from 1907 reveals a younger version of De Forest, already making waves in his field. Interestingly enough, there is another figure named Charles DeForest Fredricks mentioned here – not related to our protagonist but still noteworthy. He captured President Abraham Lincoln's youngest son on a carte de visite photograph back in 1862, providing us with glimpses into historical moments frozen in time. Beyond inventions and photography lies an environmental concern depicted by workers using slash-and-burn techniques to clear monsoon rainforest habitat in Thailand's Taksin Maharat National Park. This reminder serves as a call to preserve nature while embracing progress – finding harmony between innovation and conservation. De Forest left an indelible mark on society through his pioneering spirit and unwavering dedication to pushing boundaries. His legacy lives on as we continue to benefit from advancements made possible by visionaries like him – forever grateful for their contributions shaping our world today.