Black-and-white photograph of students standing in a science classroom. Most of them wear aprons over their clothing.

Black-and-white photograph of students in a science classroom. Most of them wear aprons over their clothing. Some pretend to read and write, while other pretend to be working with chemicals.

Black-and-white photograph of students standing in a science classroom. Most of them wear aprons over their clothing.

Black-and-white photograph of the biological laboratory in Old Main.

Black-and-white photograph of a science classroom in old main. Rows of chairs stand in the foreground, and lab equipment covers desks and shelves in the background.

Black-and-white photograph of the biological laboratory in Old Main.