John Philoponus, a Christian philosopher, scientist, and theologian who lived approximately from 490 to 570 CE, is also known as John the Grammarian or John of Alexandria. The epithet ‘Philoponus’ means literally ‘Lover of toil’. Continue reading “John Philoponus: a philosopher and scientist of the 6th century AD – Newton’s first law formulated 1,000 years earlier?”