Category:John R. Clarke

**John R. Clarke**
	American scientist and underwater breathing apparatus authority
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	Wikipedia
Date of birth	20 November 1945; Fort Smith
Country of citizenship	United States of America;
Educated at	Florida State University; Georgia Tech;
Occupation	inventor;
	official website
Authority file
	Q19864930;
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Media in category "John R. Clarke"

The following 2 files are in this category, out of 2 total.