Detailed Instructions: In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
Q: the foundations of quantum mechanics were established during the first half of the twentieth century by werner heisenberg , max planck , louis de broglie , albert einstein , niels bohr , erwin schrodinger , max born , john von neumann , paul dirac , wolfgang pauli , david hilbert , and others.
A:
the base of quantum mechanics were established during the first half of the 1900s by werner heisenberg , max planck , louis de broglie , albert einstein , niels bohr , erwin schrodinger , max born , john von neumann , paul dirac , wolfgang pauli , david hilbert , and others.