Source: wikibot/ralph-asher-alpher
= Ralph Asher Alpher
{wiki=Ralph_Asher_Alpher}
Ralph Asher Alpher (1921–2007) was an American cosmologist and physicist, best known for his contributions to the Big Bang theory of the universe. He played a key role in the development of the theory of nucleosynthesis, which explains the formation of the light elements in the early universe.