THIS STORY HAS BEEN FORMATTED FOR EASY PRINTING

Rufus Grason, pioneer in creating hearing tests

By Emma Stickgold
Globe Correspondent / September 6, 2006

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The various tones produced by hearing tests are a result of the devices Rufus L. Grason helped design in the labs he ran for four decades. The tests, which were designed to investigate how well people could hear by altering frequencies, became staple instruments in hospitals and schools. (Full article: 529 words)

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