Sandburg didn't go to high school, but he did go to college. (Source.)
Sandburg's brother-in-law was the influential photographer Edward Steichen. (Source)
In his later years, Sandburg lived with his wife on a 240-acre goat farm in North Carolina. (Source.)
"Chicago" won Sandburg a pretty hefty prize of $200 when it was first published back in the day in Poetry magazine. (Source.)