Mr. Gallagher noted that when nonionic surfactants were first developed, many formulators didn’t know how to work with them. To facilitate their use, Mr. Griffin developed the HLB system to provide guidance on selecting the right emulsifier and surfactant. “Bill Griffin and his Atlas colleagues made an important contribution to the history of American chemistry,” noted Mr. Gallagher. “He invented this system to make these new nonionics emulsions and surfactants understandable to the chemists ...