Période

23 résultats pour : early 20th century professors

  • Page
  • sur
  • 1
Connectez-vous pour plus de résultats
This illustration of Langley's Aeroplane dates to the early 1920s. By definition an aeroplane is a
UMG25A05_435

This illustration of Langley's Aeroplane dates to ...

Prof. W. Daniels ca. 1914
UMG22A34_419

Prof. W. Daniels ca. 1914

Swedish Explorer, Professor Alfred Gabriel Nathorst ca. 1910-1915
UMG22A35_055

Swedish Explorer, Professor Alfred Gabriel Nathors...

Dr. Woods Hutchinson Portrait
UMG22A34_056

Dr. Woods Hutchinson Portrait

Prof. Dr. Ernst Schweninger ca. 1910-1915
UMG22A34_245

Prof. Dr. Ernst Schweninger ca. 1910-1915

Professor Dr. M. Kirchner, portrait
UMG22A26_202

Professor Dr. M. Kirchner, portrait

Professor Paul Ehrlich 1909
UMG22A26_212

Professor Paul Ehrlich 1909

Professor Ira Remsen 10 2 1909
UMG22A26_210

Professor Ira Remsen 10 2 1909

Professor Hyslop, portrait
UMG22A26_208

Professor Hyslop, portrait

Astronomer William Henry Pickering 10 16 1909
UMG22A26_217

Astronomer William Henry Pickering 10 16 1909

Professor George Poe, portrait
UMG22A26_206

Professor George Poe, portrait

Professor William Kent,
UMG22A26_218

Professor William Kent,

Professor Arminius Vanbery, portrait
UMG22A26_249

Professor Arminius Vanbery, portrait

Professor Ernest Rutherford, portrait 12 3 1908
UMG22A26_156

Professor Ernest Rutherford, portrait 12 3 1908

Professor Dudley Sargent 12 27 1910
UMG22A26_204

Professor Dudley Sargent 12 27 1910

Professor Thore M. Fries, portrait
UMG22A26_214

Professor Thore M. Fries, portrait

Professor Virchow
UMG22A26_215

Professor Virchow

Professor W.S. Eichelberger
UMG22A21_382

Professor W.S. Eichelberger

Portrait of Professor Milton Whitney, Chief Bureau of Soil ca. between 1909 and 1919
UMG22A12_314

Portrait of Professor Milton Whitney, Chief Bureau...

Professor E.C. Brandenburg
UMG22A02_459

Professor E.C. Brandenburg

Professor Dr. Wilhelm Paszkowski.
UMG21A20_282

Professor Dr. Wilhelm Paszkowski.

Hexactinellae
UMG20B29_343

Hexactinellae

Purge trials in the early 1930s, ussr, standing left rear, professor leonid k, ramsin; ochkin, kaprinov & fedotov in front of ramsin, 1930 or 1931.
UMG20A98_141

Purge trials in the early 1930s, ussr, standing le...