Ralph Asher Alpher (February 3, 1921 – August 12, 2007) was an American cosmologist, who carried out pioneering work in the early 1950s on the Big Bang model, including Big Bang nucleosynthesis and predictions of the cosmic microwave background radiation. == Childhood and education == Alpher was the son of a Jewish immigrant, Samuel Alpher (né Ilfirovich), from Vitebsk, Russian Empire.
Ralph Asher Alpher (February 3, 1921 – August 12, 2007) was an American cosmologist, who carried out pioneering work in the early 1950s on the Big Bang model, including Big Bang nucleosynthesis and predictions of the cosmic microwave background radiation. == Childhood and education == Alpher was the son of a Jewish immigrant, Samuel Alpher (né Ilfirovich), from Vitebsk, Russian Empire.
Source: Wikipedia "Ralph Alpher" · CC BY-SA 4.0
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