Which two figures conducted laboratory experiments in social psychology before social psychology was established as a field and are therefore considered "anticipators" rather than "founders" of the field?

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Alfred Binet and Norman Triplett both conducted laboratory experiments in social psychology before the field was formally established, and are therefore considered "anticipators" of the field. Ambroise Liébeault and Hippolyte Bernheim were French physicians who conducted research on hypnosis, James Braid and Jean Charcot were pioneers in the study of hypnosis, and Floyd Allport and Solomon Asch were both significant figures in the establishment and development of social psychology as a distinct field of study.

Which Two Figures Conducted Laboratory Experiments in Social Psychology Before