Prof. Sung-Hou Kim
Prof. Sung-Hou Kim published 3D structure of t-RNA with A. Rich in 1973 when he was in MIT as a research associate. Previously, only plain clove model for the t-RNA was existed. He is one of pioneers to crystallize t-RNA and current many researches on RNA molecules. He is currently a Professor at U.C. Berkeley.
1. http://www.cchem.berkeley.edu/shkgrp/