It was there, at the site of the legendary Greek oracle, that Gordon Fishell reached a turning point in his career.
Fishell, then 42, had been studying how the developmental environment in a mouse embryo influences how stem cells turn into different types of interneurons ― the intriguing cells that dampen electrical signaling in the brain1. But he needed help understanding the next step: measuring the activity of fully developed interneurons.
He found his answer in conference organizer Arnold Kriegstein, then a Columbia University physiologist renowned for his brain-cell recording techniques. Soon after the Delphi meeting, on a much noisier island five thousand miles west, the two scientists began what Fishell now calls the “taxi cab collaboration.”
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