Uncategorized Mark Tsirlin Posted by Who's Who Site Administrator on June 22, 2018September 16, 2019 Most Recent Title: Retired Chemist Company: U. Mo. Years in Industry: 56 Years affiliated with Marquis Who’s Who: 21 Contact Mark Tsirlin: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...