You have truly landed on a jackpot from the POV of Time Travel. Whether he was a loony or a genius, we might never find out as people who use HDRs (including me) will never come forward to speak of their successes and failures and those who do will be trolled.
I can imagine his sister thinking "I don't want any piece of that crazy time travel stuff", so that's your gain! I have most of Steven Gibbs books including the "Riddle Book", thanks to Gibbs and few people I won't name.
@Hbuzzy13 - can you
share your social media page?