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Deaf biochemist Nansie Sharpless forced the
way scientists feature their presentations
at scientific conferences.

In the past scientists would give a speech
and then respond to questions and comments
from the audience.

Because of her deafness, the procedures changed.
She was allowed to give presentations via
audio-visual posters, and that audience
feedback were also posted on audio-visual.

That was during the fifties and sixties.

Not sure if this practice continues at
scientific conferences as she passed away.