Lot 1097: PAVLOV, Ivan (1849-1936). Photograph signed ("L Pavlov"), by an unidentified photographer, n.d. [1930s?].

PAVLOV, Ivan (1849-1936). Photograph signed ("L Pavlov"), by an unidentified photographer, n.d. [1930s?]. 6½ x 4 5/8 in., including mount. Boldly signed across the image in lower portion. The elderly physiologist, famous for his pioneering studies of conditioning and conditioned reflex that won a Nobel Prize in 1904, is shown seated, gesturing with both hands upraised in evident amusement. He is wearing a white coat, possible a physician's laboratory coat.