Alex Keller

The Age of the Projectors

Alex Keller describes how the closing years of the sixteenth century and the early decades of the seventeenth marked the first period in England of important technological advance.

Keen Sighted as the Lynx

Alex Keller tells the story of how an unlikely friendship between a Dutch doctor and a young Italian nobleman led to the establishment of the first scientific society, which lent crucial support to the radical ideas of Galileo Galilei.

Was Leonardo a Christian?

The beliefs of the man who painted some of the most famous Christian images are shrouded in mystery. Alex Keller coaxes Leonardo da Vinci’s thoughts out of some little-known personal writings.