mathematics David J. Mangen Posted by Who's Who Site Administrator on October 21, 2018 Most Recent Title: Statistician, Researcher Company: U. Southern Calif. Industry: Mathematics Years in Industry: 38 Years affiliated with Marquis Who’s Who: 15 Contact David J. Mangen: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...