He wasn't the first, but came close to let the world know his founds.

I don't know what were the people expecting from it, another 'Indian Jones'? Booby traps, man eating ants, ancient alien ship et cetera? Well, I agree it was slow and boring in parts, but most importantly, it was only revealed the true story. Not all the biopics are delightful entertainer. Originally this tale took place for three decades, but what you saw on the screen was merely a highlight. All about the adventures. The personal life was less focused. Especially the final act was honest. Because it is a mystery. So... קרא את השאר.