Reference
Max Weber's image
http://hangingodes.files.wordpress.com/2007/12/weber.jpg
Martin Luther King's image
http://www.time.com/time/photoessays/mlk/9.html
Parents' image
http://munciegt.org/files/Children/Parent%20connection.jpg
Boss & employee's image
http://www.enasha.com/UserFiles/Image/lifestyle/Relationship/boss_employee.jpg
Police's image
http://www1.istockphoto.com/file_thumbview_approve/532120/2/istockphoto_532120_police_officer_in_hong_kong.jpg