The note came early last month, and I couldn?t have been happier. “Hi Doug,” the email began. “On the small chance that you missed it, today?s New York Times reports Awonder Liang just won the 8-year-old world chess championship. I remember your playing with him some time ago. “It was signed, “Jim.” I was happy because I was always happy to hear from Jim Crow. This in no way made me unique. James F. Crow was known around the world as a great scientist, tops in his field ? genetics. But his wide circle of friends knew him as a warm, generous, humorous man with many and varied interests. You couldn’t ask for better company.