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Tower. >> another person trying to escape from the bridge that day is professor bert farquharson. >> professor bert farquharson was an authority on bridge structures. so when clark eldridge and lacey murrow became concerned about how much this bridge might move, they hired bert farquharson to conduct some studies. >> as part of his study, dr. farquharson sets up film cameras a few weeks after the bridge opens to capture its movements. several weeks later the same cameras capture the drama of the bridge's final movements as they unfold. >> the phenomenal thing is we're watching steel and concre...

Is professor bert farquharson. >> professor bert farquharson was an authority on bridge structures. so when eldridge and lacey murrow became concerned about how much this bridge might move, they hired bert to conduct some studies. >> as part of his study, dr. farquharson sets up film cameras a few weeks after the bridge opens to capture its movements. several weeks later the same cameras capture the drama of the bridge's final movements as they unfold. >> the phenomenal thing is we're watching steel and concrete twisting 20 times a minute. as the twisting increased, light poles began to dance ...

Is professor bert farqeston. he was an authority on bridge structures. so when eldridge and lacey murrow game concerned about how much this bridge might move, they hired bert to conduct some studies. >> as part of his study, f he sets up film cameras a few weeks after the bridge opens to kpture its movements. several weeks later the same cameras capture the drama of the movements as they unfold. >> the phenomenal thing is we're watching steel and concrete twisting 20 times a minute. as the twisting increased, light polls began to dance back and forth but to snap off the suspender cables that w...