Your Grandfather has many faces ...
One thing that should have been clear from your review of your grandfather's website is that he has led a multi-faceted life from starting his own business when he was ten, to earning three post-secondary degrees in spite of his learning disability, to rising through the ranks in the Navy to achieve the rank of Commander, to achieving progressively more challenging positions in his civilian career and retiring as the Vice-President of a community college.  See how well you know your grandfather by answering the questions at the links below.
Give it a try!
Owen Sound's 1958 Easter Seal Timmy
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Newspaper Clipping of My Gymnastics Routine on the High Bar
  Click to See Enlarged Caption