Evangelos Odysseas Papathanassiou , professionally known as Vangelis , is a Greek composer of electronic, progressive, ambient, jazz, pop rock, and orchestral music. He is best known for his Academy Awardâwinning score for the film Chariots of Fire, composing scores for the films Antarctica, Blade Runner, 1492: Conquest of Paradise, and Alexander, and the use of his music in the PBS documentary Cosmos: A Personal Voyage by Carl Sagan.