So many of the things we take for granted today, things that so obviously improve our lives, didn't catch on as easily as you might think. It can be difficult for people to come around to new ideas, even when adopting them would be in their best interest. Indeed, individuals throughout history have been doubtful of everything from penicillin to airplanes, only to be proven extraordinarily wrong once the concepts they mocked went on to change the world.
Although it's great that people usually come around to amazing ideas, it can be a very frustrating process for those thinkers and inventors who can't see why the world doesn't want their help. In some cases, these heroes of humanity couldn't even stick around long enough to see their work be appreciated. But we can certainly appreciate them now.
Read on to learn about the figures throughout history who were right all along.