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Line 1: '''Carleen Hutchins''' (b [[1911]]) is a former grade-school science teacher and is the inventor of the [[vertical viola]]. {{US-bio-stub}}▼ ==External links and references== *[http://www.catgutacoustical.org/PEOPLE/cmh/ The life and work of Carleen Marley Hutchins] ▲{{US-bio-stub}} {{engineer-stub}} [[Category:1911 births\|Hutchins, Carleen]]

Carleen Hutchins: Difference between revisions