Science John Lee Massingill, Jr. Posted by Who's Who Site Administrator on June 14, 2017September 16, 2019 Title: President Company: Chemtor Industry: Science Years in industry: 49 Years affiliated with Marquis Who’s Who: 21 Contact John Lee Massingill, Jr.: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...