Public domain
Brooklyn Professor testifies before the House Un-American Committee. Washington, D.C., Aug. 23. Earl A. Martin, Chairman of the Brooklyn [...]Biology Department, shows members of the Dies Un-American Committee, communist propaganda distributed thru the school under the guise of a school pamphlet he
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Credit lineBrooklyn Professor testifies before the House Un-American Committee. Washington, D.C., Aug. 23. Earl A. Martin, Chairman of the Brooklyn [...]Biology Department, shows members of the Dies Un-American . 1938-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.