Sid Duderstadt said on Dec. 3, 2011 at 2:56 p.m. Professor William Lewis, Dear Sir, Congratulations on your remarkablle carrer and many achievements, and thank you for sharing your gifts with so many people. Sincerely, Sid Duderstadt, The Duderstadt Ranch of Texas, USA.
Inbar Shavit said on Dec. 2, 2011 at 7:04 p.m. Congratulations Professor Lewis! It was an honor working with you in my undergraduate studies, and I have not forgotten what you had taught me. I would love to have the chance to work with you again :)