content: Edison is both an inventor and businessman. https://www.businessinsider.com.au/thomas-edisons-inventions-2014-2#the-electrographic-vote-recorder-as-edisons-first-patent-this-device-permitted-voters-to-push-a-yes-or-no-switch-instead-of-writing-their-vote-1  I think that’s why Elon Musk is able to identify himself with him.