Photographer unknown, published 1941 in Kendo Yokoyama, Kano Sensei Den (Kodokan). Source: Portraits of Modern Japanese Historical Figures, National Diet Library, Japan (https://www.ndl.go.jp/portrait/) · Signed studio portrait photograph of Jigoro Kano, photographer unknown, taken before his death in 1938 and printed as the frontispiece of the biography 'Kano Sensei Den' (Kano Sensei-den) by Kendo Yokoyama (Kodokan, Tokyo, 1941), as reproduced in the National Diet Library's digital exhibition 'Portraits of Modern Japanese Historical Figures' (entry for KANO Jigoro; source item NDL Digital Collections pid 1043572, page 3). The sitter's English signature 'Jigoro Kano' is written on the print and the Library's entry names the sitter. The file is the library's published image (875 x 1146 pixels) with its white page border trimmed (806 x 1074), with no upscaling; it is a halftone book reproduction, so the grain is that of the print. · Public domain (declared by the National Diet Library for all images in 'Portraits of Modern Japanese Historical Figures'; the source book's NDL Digital Collections record shows access restriction 'PDM'; the photograph was published in Japan in 1941, before 1957)