Maria Van Britten Xim av (1922-1999)
Ua kom tiav kev tshwm sim: Tus kws tu neeg mob dub thiab tus tsim txho, Brown tuav patten rau nws "kev saib xyuas kev nyab xeeb hauv tsev hauv kev siv xov xwm hauv TV" thaum Lub Yim Hli 1, 1966. Nws tus txiv lub npe tau txais daim ntawv them nyiaj zaum ob. Nws yog thawj patent ntawm nws cov hom.
Kawm ntxiv
- https://lemelson.mit.edu/resources/marie-van-brittan-brown
- https://timeline.com/marie-van-brittan-brown-b63b72c415f0
- https://aaregistry.org/story/inventor-marie-van-brittan-brown-born/
Tus Txhawb Nqa Koj Ua Tsaug
Lub sijhawm no ntawm 28 Hnub Dub Dub tau txais kev txhawb nqa los ntawm Kim thiab Stafford Nelson hauv kev hwm ntawm Reatha King.
Txhawb Nqa Dub Zoo
Txhua ntu thiab ntawv blog xa $ 250 los tsim thiab tsim tawm. Xav txog kev txhawb nqa ib hnub lossis ib lub lim tiam ntawm cov neeg lag luam zoo no. Cov ntu yuav muaj nyob hauv DAWB online WITNESS Portal rau cov kws qhia thoob ntiaj teb. Cov txhawb nqa yuav raug lub npe hauv blog kab ntawm lub VocalEssence lub vas sab. Koj raug txhawb kom txhawb nqa hauv kev hwm ntawm tus neeg hlub lossis lub koom haum uas koj hlub. Tsuas yog sau lawv lub npe rau hauv Dedication seem ntawm daim foos.