> Thomas Jefferson to Richard Feynman appear to have had ADHD
Based on what behaviors other than being somewhat eclectic? I've seen people try to diagnose historical figures before, but I have never seen these two on any list that I can remember.
Richard Feynman I'm basing on my impressions from Surely You Must Be Joking, Mr. Feynman and What Do You Care What Others Think? In particular the first book explains his inability to function when he tried to comply with external demands, and describes the lengths that he went to to live a curiosity driven life where he functioned much better. That matches my experience of ADHD. The second book has a long description of the period in which he wrote https://history.nasa.gov/rogersrep/v2appf.htm. That description contains a lot that is instantly recognizable as what it feels like to have hyperfocus.
Based on what behaviors other than being somewhat eclectic? I've seen people try to diagnose historical figures before, but I have never seen these two on any list that I can remember.