The manuscript contains extracts from Newton's favorite alchemist, the American writer George Starkey (1628-1665). Starkey's Marrow of Alchemy (1654-5), the work Newton cites here, was published ...

Historian of science Bill Newman says that Isaac Newton's alchemical notebooks are like a gigantic jigsaw puzzle. But as you'll see as you peruse the 300-year-old manuscript at left, this puzzle i ...