Sun and Lan (IMAGE) Johns Hopkins University Caption Johns Hopkins researchers Sean Sun and Ganhui Lan were part of a team that solved a small but important part of the mystery surrounding cell division in rod-shaped bacteria. Sun is an assistant professor of mechanical engineering. Lan is a doctoral student. Credit Will Kirk/JHU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.