Johann Eduard Erdmann, 1805, 1892, a German professor of philosophy and writer, ca. 1889, Historical, digitally restored reproduction from a 19th century original, a German professor of philosophy and writer, Historical, digitally restored reproduction from a 19th century original

1 PERSON • 1 • 19 CENTURY • 1900S • 1990S • 19TH CENTURY • 19TH CENTURY. • 19TH • 19TH-CENTURY • 1ST • 90S • ACADEMIC • ALGARVE • AUTHOR • BLACK AND WHITE • BLACK • BLACK-AND-WHITE • BLACK-WHITE • BREEDING • BUST SHOT • CENTRAL EUROPE • COLOURING • COPY • CROPPED • DETAIL • DIGITAL • DIGITALLY • DIRECT LOOK • DISCOVERER • DUPLICATION • EUROPE'S • EUROPE • EXCERPT • EXCHANGING GLANCES • EXPLORATION • EXPLORE • EXPLORER • EXPLORING • EYE CONTACT • FACE TO FACE • FACE-TO-FACE • FACING CAMERA • FACING EACH OTHER • FACING • FARO DISTRICT • FORMER • FORMERLY • FRG • GAZES • GERMAN FEDERAL REPUBLIC • GERMAN • GERMANS • GERMANY • GRAPHIC • GRAPHICS • HEAD PORTRAIT • HEAD SHOT • HEAD SHOTS • HEAD • HEAD-AND-SHOULDERS • HEADS • HISTORIC ILLUSTRATION • HISTORIC ILLUSTRATIONS • HISTORIC • HISTORICAL ILLUSTRATION • HISTORICAL • HISTORY • HUMAN BEING • ILLUSTRATION • ILLUSTRATIONS • ILUSTRATION • INVENTIVE • LITERATURE • LOOK AT • LOOK • LOOKING AT CAMERA • LOOKING AT THE CAMERA • LOOKING ON • LOOKING OUT • LOOKS AT THE CAMERA • LOOKS IN THE CAMERA • LOOKS INTO THE CAMERA • LOOKS INTO • LOOKS • MIDDLE EUROPE • NINETEENTH CENTURY • NINETIES • NINETIES, THE • NINETY DECADE • OBSERVE • OBSERVER • OBSERVING • ONE PERSON • ONE • ORIGINAL • ORIGINALS • PARTIAL VIEW • PEOPLE • PERSON • PERSONS • PHILOSOPHIES • PHILOSOPHY • PORTAIT • PORTRAIT PHOTO • PORTRAIT SHOT • PORTRAIT • PORTRAITS • PORTUGAL • PORTUGUESE • POTRAIT • PROFESSOR • PROFESSORS • RECONSTRUCTION • REFURBISHMENT • REPLICA • REPLICATION • REPRODUCTION • REPUBLIC OF GERMANY • RESEARCH • RESEARCHER (MALE) • RESEARCHER • RESEARCHERS • RESTORATION WORK • RESTORATION • RESTORATIONS • RESTORED • SAVANT • SCIENCE • SCIENCES • SCIENTIFIC RESEARCH • SCIENTIFIC • SCIENTIST • SCIENTISTS • SINGLE PERSON • SOUTH EUROPE • SOUTHERN EUROPE • TEACHER • TEACHERS • TRAVEL PHOTOGRAPH • TRAVEL PHOTOGRAPHY • UNIVERSITY GRADUATE • UNIVERSITY GRADUATES • VIEW OVER • VIEW • WATCHING • WHITE • WOODBLOCK PRINT • WOODCARVING • WOODCUT • WOODCUTS • WOODPRINT • WRITER • WRITERS • XIX CENTURY • XYLOGRAPH • XYLOGRAPHY