Drexel asked two of their brightest students, Joe Woodland and Bernard Silver, to find a solution.

德瑞索学院要求两名他们最聪明的学生——乔·伍蓝德和伯纳·西尔佛，找出解决之道。

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Steven Sasson, Eric Fossum, Joseph Woodland, Bernard Silver.

FORBES: You've Never Heard of Them, but They've Changed Your Life

Joseph Woodland and Bernard Silver developed the very first bar code scanning system, in the late 1940s, after Woodland heard a food chain executive say he wished he had a way to capture product information at checkout.

FORBES: You've Never Heard of Them, but They've Changed Your Life

Bernard, the 2006 Commonwealth silver medallist, passed at the opportunity to jump 2.19m, going straight to 2.23 and, after three attempts, he cleared the height.

BBC: Phillips Idowu wins European Athletics triple jump gold