My mom's father, lived in New York, retired doctor who sent homemade chocolate chip cookies and classic books every birthday for 25+ years. Maybe even more impressive, a published scientist, although I only knew this once it was too late to talk science with him. Here is an excerpt from a manuscript from New England Journal of Medicine.
Ronnie and Ben got to meet him when we drove from Baltimore to NY in 2008. Lila was in utero. He leaves behind my sweet step grandmother, Grandma Carmen.