What is the history of social psychology? Provide evidence of social psychology's historic link to both psychology and sociology.

1) Locate significant events and people in the history of social psychology.

2) Provide evidence of social psychology's historic link to the fields of psychology and sociology. Identify significant researchers in the field of social psychology and give the major contribution(s) of each.

[In text citation and sources needed. Write in 3rd person scholarly writing.] This is a personally developed question not an assignment or home work.