Chemistry lab, Central High School, Washington, D.C. Photo by Frances Benjamin Johnston, around 1899.
This preserved scene shows Several male students and one female student are working at countertops with elevated shelves filled with glass bottles and tubes. A male teacher stands at the side. The catalog record identifies and dates the moment as: Chemistry lab, Central High School, Washington, D.C. Photo by Frances Benjamin Johnston, around 1899.

This preserved scene shows Several male students and one female student are working at countertops with elevated shelves filled with glass bottles and tubes. A male teacher stands at the side. The catalog record identifies and dates the moment as: Chemistry lab, Central High School, Washington, D.C. Photo by Frances Benjamin Johnston, around 1899.
Historical photographs preserve details that written records can miss: clothing, tools, architecture, body language, and the ordinary environments around important changes.
Image: Library of Congress | View original catalog record
Andy Warhol, artist, with a Polavision movie camera. Photo by Bernard Gotfryd, around 1977.
Georgia O’Keeffe, artist, sitting in her home studio. Photo by Balthazar Korab Studios, 1965.
Hodge Open Air School, Cleveland, Ohio. Unattributed photo, 1900-1920