Science Richard Kielhorn Posted by Who's Who Site Administrator on September 12, 2018 Most Recent Title: Chemist Company: Pioneer Chlor Alkali Co. Industry: Science Years in Industry: 68 Years affiliated with Marquis Who’s Who: 24 Contact Richard Kielhorn: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...