Experimental physicist at the California Institute of Technology. socially inept. As Leonard was a geek, he was bullied badly as a youth and he stopped growing in the eighth grade. Throughout his childhood, his mother constantly conducted tests on him. he is reluctant to let others know about his hobbies as he does not like to be seen as a geek and wants to be more social. Sweet, thoughtful, kind, intelligent, mature, sardonic and socially awkward, but well-meaning. selfishness.