Compare and contrast two psychlogists work harry harlow and mary ainsworth

Please compare and contrast two psychologists work harry harlow and mary ainsworth work including points below.

1.Harlow Ainsworth and Mary Ainswortha length of the experiments
2.Ethics.
3.Environment.
4.Love from what Is coming for.
5.Attachement a attachment between infants and mother
6.Culture.
7.Methotology.
8.Results.