Early quantum theory was significantly reformulated in the mid- 1920s by Werner Heisenberg, Erwin Schrodinger, Max Born, Wolfgang Pauli and their collaborators, and the Copenhagen interpretation of Niels Bohr became widely accepted.
Early quantum theory was significantly reformulated in the mid- 1920s by Werner Heisenberg, Max Born and Pascual Jordan ("with the creation of the matrix mechanics"). And the Copenhagen interpretation of Niels Bohr became widely accepted.