For ten points, name this German chemist famous for his dream concerning the structure of benzene.
This man showed that carbon is tetravalent. A native of Darmstadt, he first studied architecture, but became interested in chemistry when he heard Liebig give evidence in a murder trial.  His interest in structure is shown in his study of reaction products, but he never finished his major work, the Lehrbuch der Organischen Chemie. For ten points, name this German chemist famous for his dream concerning the structure of benzene.
This man showed that carbon is tetravalent. A native of Darmstadt, he first studied architecture, but became interested in chemistry when he heard Liebig give evidence in a murder trial.  
Friedrich August {Kekule}