Photo credits

Cover: Alexander Gardner, Brooks Kraft/ Getty Images; Page 4: Sun- Times archives; Page 5: Constitution of the State of Illinois, 1818; Illinois Constitution; Illinois State Archives ( Illinois State Library), Plainfield Public Library, Plainfield Historical Society ( Black Hawk); Page 6: Illinois State Historical Society ( Journal of the Illinois State Historical Society, volume 89; Journal of the Illinois State Historical Society); Page 7: Chicago History Museum; Page 8: Chicago History Museum, Page 9: Chicago History Museum, Sun- Times archives; Pages 10- 11: Sun- Times archives, Chicago History Museum; Page 12: Sun- Times archives; Page 13: Sun- Times archives; Page 14: Associated Press, Sun- Times archives; Page 15: Sun- Times archives; Page 16: Sun- Times archives; Page 17: Sun- Times archives, Associated Press; Page 18: Associated Press; Page 19: Sun- Times archives; Page 20: Associated Press, Sun- Times archives: Page 21: Associated Press, Sun- Times archives; Page 22: Alexander Gardner; Page 23: Associated Press; Pages 24- 25: Chicago History Museum, Associated Press; Page 26: Chicago History Museum; Page 27: Associated Press; Page 28: Associated Press, Sun- Times archives; Page 29: Sun- Times archives; Page 30: Sun- Times archives; Page 31: Sun- Times archives, UIC Library Jane Addams Memorial Collection; Page 32: Sun- Times archives; Page 33: Associated Press, Sun- Times archives; Page 34: Sun- Times archives, Associated Press; Page 35: Sun- Times archives; Page 36: Associated Press, Sun- Times archives; Page 37: Associated Press; Page 38: Sun- Times archives, Associated Press; Page 39: Sun- Times archives; Page 40: Associated Press, Chicago History Museum; Page 41: Sun- Times archives; Page 42: Sun- Times archives; Page 43: Associated Press, Sun- Times archives; Page 44: Courtesy of Curt Teich Collection ( A50250, Newberry Library, Chicago), Chicago History Museum; Page 45: Chicago History Museum; Pages 46- 47: Associated Press; Page 48: Sun- Times archives; Page 49: Sun- Times archives, Associated Press; Page 50: Sun- Times archives; Page 51: Sun- Times archives, Associated Press; Page 52: Associated Press; Page 53: Sun- Times archives; Page 54: Sun- Times archives; Page 55: Associated Press; Page 56: Getty Images; Page 57: Associated Press; Page 58: Sun- Times archives; Page 59: Sun- Times archives; Page 60: Sun- Times archives; Page 61: Sun- Times archives; Page 62: Sun- Times archives, submitted photos