Seated man looking through a microscope in front of a photograph display of people with facial abnormalities.
Doctors L.A. Schule of Bethesda, Maryland, Shields Warren of Boston, and six unidentified others gathered seated around a table for a meeting.
Alice Cowdry and Dr. J. Bouvier of Paris conversing while holding plates of food, Fourth International Cancer Research Congress, St. Louis, Missouri.
Wendell G. Scott and an unidentified man conversing while sitting on a bench.
Wendell G. Scott and two unidentified men in the buffet line at the Fourth International Cancer Research Congress, St. Louis, Missouri.
Dr. Shields Warren of Boston and four unidentified men conversing in a group, Fourth International Cancer Research Congress, St. Louis, Missouri.
Dr. J. Bouvier of Paris conversing with an unidentified man, Fourth International Cancer Research Congress, St. Louis, Missouri.
Dr. and Mrs. Ignacio Millan speaking with two unidentified men, Fourth International Cancer Research Congress, St. Louis, Missouri.
Two men conversing in a laboratory with test tubes, beakers, and other equipment in the background.
Four conference attendees examining a guinea pig, Fourth International Cancer Research Congress, St. Louis, Missouri.
Group of conference atendees sitting around a banquet table, Fourth International Cancer Research Congress, St. Louis, Missouri.
Two men sitting at a conference table, Fourth International Cancer Research Congress, St. Louis, Missouri.
Two men in formal dress conversing.
Dr. Vasant Khanolkar and an unidentified man conversing.
Two women looking through microscopes.
Two men examining a large sign, Fourth International Cancer Research Congress, St. Louis, Missouri.
Registration tables and lines of attendees to the Fourth International Cancer Research Congress, St. Louis, Missouri.
Two men and a woman toasting with glass bottles of Coca-Cola, Fourth International Cancer Research Congress, St. Louis, Missouri.
View of audience members taking notes at a conference.
Caterer passing out popsicles to an unidentified woman and Dr. Nadezhda Dobrovolskaia-Zavadskaia of Paris.
