Marian Anderson
18971993
American contralto whose historic 1939 Lincoln Memorial concert and 1955 Metropolitan Opera debut paved the way for Black artists
အောက်မေ့ဖွယ်စာမျက်နှာ ၄ တွေ့ရှိ
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စစ်ထုတ်ချက်ဖြင့် အသက်တာများတွင် အားလုံးကြည့်ရန်18971985
American medical researcher and Nobel Laureate, often called "The Father of Modern Vaccines," who cultured poliovirus and developed the measles vaccine
