This spring, Last Exile character designer Range Murata served as an associate professor and taught character design at Kyoto Seika University's Department of Cartoon & Comic Art. Today, the school has posted a sample of one of his lectures.
While it's in Japanese, even if you are not fortunate enough to understand the language, it's worth watching him demonstrating his process starting at the half way point.
The school also recently posted a lecture with shoujo manga pioneer Keiko Takemiya. The To Terra... author was part of the Year 24 Group who revolutionized shoujo manga written by women.