Photo: Sameer A. Khan h’21

Yifan Zhang *22, left, receives a high five from chemistry professor Mohammad Seyedsayamdost at the Graduate School Hooding and Recognition Ceremony, which returned to Cannon Green after two years of virtual celebrations. Acting graduate school dean Cole Crittenden *05 noted that the hood signifies not only skills gained but also “the fact that through your research you have contributed something genuinely new to an existing body of knowledge.”