Share this:FacebookTwitterEmailPinterestLinkedInChing House – George Melton-StephanExercise 123 – Adrienne Laing (Calcote)By b.wahl Visit author's websiteBernt Rainer Wahl is a mathematician, mentor, entrepreneur, and author. He served as CEO of Factle Corporation, Datahunt, and Dynamic Software, and is a former member of the UC Berkeley faculty. Comments (0) Join the discussion, leave a reply! Cancel comment Comment Name Email Website Notify me of follow-up comments by email. Notify me of new posts by email. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.