Input (grade 5): In 1959 they decided to excavate Bed I/O. While Louis was sick in camp, Mary discovered the fossilized skull OH 5 at FLK, which Mary called "Our Man", and became "Dear Boy" and "Zinj."
Output (grade 6): In 1959 they decided to excavate Bed I/O. While Louis was sick in camp, Mary discovered the fossilized skull OH 5, which Mary called "Our Man", and became "Dear Boy" and "Zinj."