Dr. Gerald Weatherspoon, the associate chairman for the department of chemistry and biochemistry at George Mason University, judges one of the four displays assembled by students for the National Society of Black Engineers Jr. first biomedical competition at The Clubs of Quantico on March 13, 2013. - Dr. Gerald Weatherspoon, the associate chairman for the department of chemistry and biochemistry at George Mason University, judges one of the four displays assembled by students for the National Society of Black Engineers Jr. first biomedical competition at The Clubs of Quantico on March 13, 2013.