music: 60's Chart Toppers: Name The Artist: Something About You?

Questions

Which modem country was formerly Nyasaland?

Who was the Scottish mathematician who drew up the first logarithmic tables?

Which French mathematician, "the father of Modem Mathematics", invented analytical or co-ordinate geometry?

Whose epitaph reads "He snatched the lightning from the skies and the sceptre from tyrants"?

Xizang (spelt X-I-Z-A-N-G) is now a province of China. What is its other name?