At the end of the 19th century [...] it was generally accepted that all the important laws of physics had been discovered and that, henceforth, research would b

At the end of the 19th century [...] it was generally accepted that all the important laws of physics had been discovered and that, henceforth, research would be concerned with clearing up minor problems and particularly with improvements of method and measurement. https://en.wikipedia.org/wiki/History_of_physics https://en.wikipedia.org/wiki/History_of_physics