Image: https://cdn.whensthebirthday.com/gallery/2017/1/robert-sternberg/ante-una-decision-dificil-el-dr-robert.jpg
Robert Sternberg
professions.scientist de Estados Unidos
Image: https://cdn.whensthebirthday.com/gallery/2017/1/robert-sternberg/ante-una-decision-dificil-el-dr-robert.jpg
professions.scientist de Estados Unidos