In 1985, he became the youngest world chess champion in history at the age of 5. OK, he was 22, and it was an extraordinary achievement. He subsequently emerged as a vigorous anti-Putin activist and now heads the New York-based Human Rights Foundation. A conversation on computers, chess, secret codes, and Russian foreign policy. Plus music from fiddler Stephanie Coleman and banjo player Luke Richardson. Like a night on the Volga. Listen.

•  PERSON: Alan Turing
•  PLACE: Yalta
•  THING: Acorn Computer

RANDY’S THING: suicide dogs of Stalingrad