Two men standing next to a litter carried between two horses, Rehe, China.
Two men sitting at a conference table, Fourth International Cancer Research Congress, St. Louis, Missouri.
Two men in formal dress conversing.
Two men examining a large sign, Fourth International Cancer Research Congress, St. Louis, Missouri.
Two men conversing in a research display area, Second International Gerontological Congress, St. Louis, Missouri.
Two men conversing in a laboratory with test tubes, beakers, and other equipment in the background.
Two men and a woman toasting with glass bottles of Coca-Cola, Fourth International Cancer Research Congress, St. Louis, Missouri.
Two men and a woman conversing, Fourth International Cancer Research Congress, St. Louis, Missouri.
Two Japanese men standing in a garden.
Two doctors at work in a laboratory, Peking Union Medical College, Beijing, China.
Toddler crawling on a wood floor.
Toddler boy riding a tricycle, likely E.V. Cowdry's grandson.
Three South Korean men on a tour of Washington University School of Medicine.
Three men conversing while observing a display, Fourth International Cancer Research Congress, St. Louis, Missouri.
The St. Louis Council on Human Relations being sworn in at Mayor Darst's office.
Superficial crusted lesion of superficial basal cell carcinoma with wirelike border.
Studio portrait of Perihan Cambel.
Studio portrait of Nathaniel Harrington Cowdry sitting a chair and gazing off into space.
Studio portrait of Nathaniel Harrington Cowdry.
Studio portrait of Leo Loeb.
