Ntawm ntu no peb ua kev zoo siab Alfred L. Cralle, tus neeg Asmeskas Dub cov neeg lag luam thiab tus kws tsim khoom uas muaj npe zoo tshaj plaws rau kev tsim cov dej khov nab kuab thaum xyoo 1897. Peb cov ua nkauj ua ke yog "Ua tus Tswv," ib txwm yog Negro sab ntsuj plig.
Alfred L. Cralle (1866-1919)
Ua kom tiav kev tshwm sim: Nws tsis muaj npe nrov rau nws qhov kev tsim ua ntawm nws cov dej khov daus. Nws kis tau yooj yim heev uas tib neeg tsis ntev tsis nco qab lossis tsis paub Cralle ua tus tsim. Yog li, nws yeej tsis tau ua tiav los ntawm nws qhov kev tsim tawm.
Kawm ntxiv
- https://www.blackpast.org/african-american-history/cralle-alfred-l-1866-1920/
- https://blackdoctor.org/inventor-alfred-l-cralle-black-history-never-tasted-so-sweet/
- http://african-americaninventors.org/inventors.php?id=56
Tus Txhawb Nqa Koj Ua Tsaug
Lub sijhawm no ntawm 28 Hnub ntawm Dub Excellence yog muaj rau kev txhawb nqa. Saib hauv qab cov ncauj lus kom ntxaws.
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.