Professor Milton Eddy's (standing, center back) biology class performs a microscopy lab around 1955.

Professor Anthony Pires (left) supervises two students performing a biology lab in March 1996.

Professor Henry Yeagley with students at the Bonisteel Observatory on the roof of Althouse Hall around 1965.

Professor Charles Francis Himes in a laboratory in the Tome Scientific Building around 1890.

Two individuals, possibly students, perform a chemistry lab exercise in the Tome Scientific Building around 1900.

Dr. Horace E. Rogers '24 (far left) supervises three students performing a chemistry lab in Tome. 

Second from left: Bayard W. Allmond, Jr., '56.  Second from right: Barbara S. Allen, '56. 

View of a chemistry lab in the Tome Scientific Building with information about coal gas on the board. The handwritten caption on the photograph reads: "Lecture Table - Chemistry"

Professor M. Benton Naff leads students in research using a hydrogenation apparatus in 1958.

A student pours a reagent into a beaker in a chemistry lab exercise around 1955.

Professor David Crouch confers with student Rachel Whitehead during an Integrated Lab session analyzing the effect of reagent size on product stereochemistry on March 12, 1996.

Professor Richard M. Lane and a student use an electron microscope in January 1988.