Childish interests...

dreamer_marie, PhD in something to with advanced physics.
bufo_viridis, Chinese-speaking anthropologist
atheneglaukopis, indo-europeanist
briana_rose, child prodigy
sollersuk, historian and linguist
goreism, philosopher
kennahijja, lecturer in Irish history at a top university
a_t_rain, university lecturer in English
caladan_d_d, professional artist
kikei, top-class undergraduate and all-around sweetheart
adeodatus, expert in Catholic theology
helixaspersa, Sanskritist
privatemaladict, doctor
theregoesyamum, cultural critic
cette_vie, child prodigy
and finally:
fpb, historian and cartoonist

With apologies to those of you who are merely intelligent and educated people whom anyone would be proud to know.
You do get to meet interesting people being a Harry Potter fan!