Quantum mechanics, as historically formulated, rests on a mathematical shortcut introduced by Weyl in 1918. Weyl attempted to quantize the gravitational metric by replacing it with Euler’s complex phase exp(iX), a move later adopted by Schrödinger in 1926 to model atomic spectra. Although Weyl’s unification of electromagnetism and gravity was physically incorrect and rejected by Einstein, its mathematical residue, the use of complex configuration space and a single complex wavefunction, became entrenched in quantum mechanics. This groupthink formalism obscures the true dynamical mechanism of quantum phenomena. Feynman’s path integral formulation reveals the correct relativistic structure: quantum behaviour arises from multipath interference, not from a single complex wavefunction: quantum mechanics and quantum field theory can be formulated entirely in Euclidean spacetime using real interference kernels. Euclidean Schrödinger equation emerges as a coarse-grained approximation to the double-path interference dynamics. The hydrogen atom spectrum is derived within this framework, demonstrating full equivalence with standard quantum mechanics. This paper compiles key objective evidence for a scientific revolution, and proves precisely where the errors in mainstream orthodoxy lie, and the benefits of correcting them (rather than attempting to "explain" them using spurious epicycle type inventions such as superstring).