OLIVER WIGMORE, OH 10 STATE UNIVERSITY

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Oliver Wigmore is a Ph.D.candidate and presidential leilow at Ohio State University's Department 01 Geography, studying the changes In hiqh-alutude Andean gtaciers In South Amenca. To help measure how rapidly they are receding, he has had to build his own

unmanned aircralt, as rnost hobbyist systems are unable 10 cope wlth the altitudes where he