Graduation Invite January 7, 2015 2242 × 1535 Declarations David D. Hanneman was among the Class of 1951 graduates on May 31, 1951. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Pinterest (Opens in new window) Pinterest Share on LinkedIn (Opens in new window) LinkedIn Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email Like Loading...