Time travelTime travelAn isochronic map shows where to go, how long it took to get there – and what changes were on the way By Simon Willis Tap to enlarge, tap again to closeIn 1914 John G. Bartholomew, the scion of an Edinburgh mapmaking family and cartographer royal to King George V, published “An Atlas of Economic Geography”. It was a book intended for schoolboys and contained everything a thrusting young
