 Gallwas is credited with collecting and displaying Arnold Beckman's earliest inventions that helped launch the electronic revolution in the chemical and biological sciences.The inventions are displayed at the Arnold and Mabel Beckman Center of the National Academies of Science and Engineering in Irvine, CA.Additional exhibits that Gallwas collected are housed at the Chemical Heritage Foundation, now the Science History Institute in Philadelphia and at the Beckman Institute for Advanced Science and Technology at the University of Illinois at Urbana Champaign.