In Illinois on St. Patrick’s Day, there is green in abundance. And plenty of Irish eyes are smiling.

Among the foremost Illinois writers of the late 20th century was Norbert Blei, credited with 17 books and countless articles and short stories.  

Pi Day has risen from a novelty on the calendar into a global celebration. Math and science lovers revel in it and organize intricate celebrations that only a geek could love. Others simply scratch their heads.