File:FrankWilcoxon.png

Frank Wilcoxon (1892–1945).

Image taken from Karas, J. & Savage, I.R. (1967) Publications of Frank Wilcoxon (1892–1965). Biometrics 23(1): 1–10

Fair use for Frank Wilcoxon
The image FrankWilcoxon.png is being linked here; though the picture is originally copyright I (JeremyA) feel it is covered by fair use because:
 * 1) It is a low resolution copy of the original
 * 2) No free equivalent is available or could be created due to the death of the subject
 * 3) It contributes significantly to the article