“While Einstein’s bones (and most of the rest of his body) were cremated and his ashes scattered at a secret spot on the Delaware River, in accordance with his wishes, his gray matter took a different course. Thomas Harvey, the pathologist who performed Einstein’s autopsy at Princeton Hospital in New Jersey in 1955, took a bone saw to Einstein’s famous cranium, then a chisel, and snipped out the century’s most famous brain. Then he kept it.”