We started all this research way back in the early 1990s, developing a technique that allows us to record the electrical signals produced by neurons simultaneously.

We have about 100 million cells interconnected in our brains. They communicate with one another through electrical signals.

Essentially, all expressions of human nature ever produced, from a caveman's paintings to Mozart's symphonies and Einstein's view of the universe, emerge from the same source: the relentless dynamic toil of large populations of interconnected neurons.

Unemployment determination in a modern economy was the main subject area of my research from the mid-1960s to the end of the 1970s and again from the mid-1980s to the early 1990s.

I started collecting in the late 1990s. My first purchase was from an auction, a scroll by Dong Qichang, from the early 16th century, the late Ming Dynasty.

Doolittle was a major influence on the Seattle grunge scene, which emerged in the early 1990s.