I am starting this as a split from Mordred's what is space topic as the subject has been broached.     Henri Bergson's disagreement with Einstein is nearly one hundred years into the past. HB was observably wrong in at least the twins paradox. However he was right in this   His metaphysics made matters worse rather than better in that he introduced two kinds of time ! I had to check with my copy to make sure you were not referring to another philosop