Prof. David W. Christianson (Pennsylvania Univ.) delivered the 1981st Zasshikai Seminar, including beautiful architectures of terpene cyclases!
Prof. David W. Christianson: https://www.chem.upenn.edu/profile/david-w-christianson
His group: https://web.sas.upenn.edu/christianson-lab/
His Research: https://web.sas.upenn.edu/christianson-lab/research/