Groucho was not a very nice person in the movies.

VOA: special.2009.07.19

And once again Elliot Aronson, the person who did the blunder experiment, the "Pratfall" experiment, he did some nice work on attractiveness as well.

曾经阿伦森·埃利奥特,那个做失态实验的心理学家，他也做了一些关于外表吸引力的成功实验。

耶鲁公开课 - 心理学导论课程节选