A photographic exploration of mathematicians’ chalkboards “A mathematician, like a painter or poet, is a maker of patterns,” wrote the British mathematici

“The most must-read of all must-reads.” —Marie Claire “A kickass debut from start to finish.” —Colson Whitehead, author of The Underground Railroad

Chicago has been called the “most American of cities” and the “great American city.” Not the biggest or the most powerful, nor the richest, prettiest, o