Science Fred Barker Posted by Who's Who Site Administrator on September 13, 2019 Most Recent Title: Research Geologist, Scientific Editor Company: U.S. Geol. Survey Industry: Science Years in Industry: 65 Years affiliated with Marquis Who’s Who: 23 Contact Fred Barker: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...