Francis Galton aged about 50.

Francis Galton aged 28.

Francis Galton aged 38

Francis Galton aged 42

Francis Galton aged 56.

Francis Galton aged 66, from the Copperplate prepared for Biometrika.

Francis Galton aged 75.

Francis Galton aged 8, a shade from the family album.

Francis Galton aged 83.

Francis Galton aged 87, with manservant Gifi.

Francis Galton aged 87, with Karl Pearson, his biographer and collaborator.

Francis Galton, circa his trip to Damaraland.

A sketch of Francis Galton by Biggs.

Oil portrait of Francis Galton as a student at Cambridge

Sketch of Francis Galton by Frank Carter.

Francis Galton and wife Louisa (Butler) early in their marriage.

Francis Galton, taken soemtime in the 1850s.

Francis Galton, taken sometime in the 1850s.

A watercolour portrait of Francis Galton, taken during his "fallow years".

Francis Galton as Geographer.

Francis Galton aged 60, an oil portrait by Graef.

Francis Galton, sometime in the 1870s.

Francis Galton as Psychologist.

Francis Galton as Psychologist.

Standardized photos of Francis Galton.

Galton with wife Louisa.

The colour oil portrait by Furse.

Mug-shots of Francis Galton, taken at Bertillion's criminological institute in Paris.

Aged 73.